The United Kedah Planting Association, The United Kedah Planting Association, . (1977). Annual report 1976. Alor Setar, Kedah: The United Kedah Planting Association.
Chicago
The United Kedah Planting Association, The United Kedah Planting Association, . 1977. Annual report 1976. Alor Setar, Kedah: The United Kedah Planting Association.
Harvard
The United Kedah Planting Association, The United Kedah Planting Association, . (1977). Annual report 1976. Alor Setar, Kedah: The United Kedah Planting Association.
MLA
The United Kedah Planting Association, The United Kedah Planting Association, . Annual report 1976. Alor Setar, Kedah: The United Kedah Planting Association. 1977.
