APA
(1978). Strategical changes and optimum land use alternatives for perennial agriculture in Peninsular Malaysia. Kuala Lumpur: RRIM.
Chicago
1978. Strategical changes and optimum land use alternatives for perennial agriculture in Peninsular Malaysia. Kuala Lumpur: RRIM.
Harvard
(1978). Strategical changes and optimum land use alternatives for perennial agriculture in Peninsular Malaysia. Kuala Lumpur: RRIM.
MLA
Strategical changes and optimum land use alternatives for perennial agriculture in Peninsular Malaysia. Kuala Lumpur: RRIM. 1978.