The United Kedah Planting Association, The United Kedah Planting Association, . (1978). Annual report 1977. Alor Setar, Kedah: The United Kedah Planting Association.
Chicago
The United Kedah Planting Association, The United Kedah Planting Association, . 1978. Annual report 1977. Alor Setar, Kedah: The United Kedah Planting Association.
Harvard
The United Kedah Planting Association, The United Kedah Planting Association, . (1978). Annual report 1977. Alor Setar, Kedah: The United Kedah Planting Association.
MLA
The United Kedah Planting Association, The United Kedah Planting Association, . Annual report 1977. Alor Setar, Kedah: The United Kedah Planting Association. 1978.
