APA

Wong S. L., Shaharuddin Mohamad Ismail, Ibrahim Komoo, Mohd. Shafeea Leman, Kamal Roslan Mohamed, Che Aziz Ali, Abdul Latiff Mohamad, Norhayati Ahmad, Wan Yusoff Wan Ahmad, Azman Abdul Rahman, Lembaga Pembangunan Langkawi & Universiti Kebangsaan Malaysia. (2005). GEOFOREST PARKS. Kuala Lumpur: Jabatan Perhutanan Semenanjung Malaysia.

Chicago

Wong S L, Shaharuddin Mohamad Ismail, Ibrahim Komoo, Mohd. Shafeea Leman, Kamal Roslan Mohamed, Che Aziz Ali, Abdul Latiff Mohamad, Norhayati Ahmad, Wan Yusoff Wan Ahmad, Azman Abdul Rahman, Lembaga Pembangunan Langkawi and Universiti Kebangsaan Malaysia. 2005. GEOFOREST PARKS. Kuala Lumpur: Jabatan Perhutanan Semenanjung Malaysia.

Harvard

Wong S. L., Shaharuddin Mohamad Ismail, Ibrahim Komoo, Mohd. Shafeea Leman, Kamal Roslan Mohamed, Che Aziz Ali, Abdul Latiff Mohamad, Norhayati Ahmad, Wan Yusoff Wan Ahmad, Azman Abdul Rahman, Lembaga Pembangunan Langkawi and Universiti Kebangsaan Malaysia. (2005). GEOFOREST PARKS. Kuala Lumpur: Jabatan Perhutanan Semenanjung Malaysia.

MLA

Wong S L, Shaharuddin Mohamad Ismail, Ibrahim Komoo, Mohd. Shafeea Leman, Kamal Roslan Mohamed, Che Aziz Ali, Abdul Latiff Mohamad, Norhayati Ahmad, Wan Yusoff Wan Ahmad, Azman Abdul Rahman, Lembaga Pembangunan Langkawi and Universiti Kebangsaan Malaysia. GEOFOREST PARKS. Kuala Lumpur: Jabatan Perhutanan Semenanjung Malaysia. 2005.