APA
Pushparajah E, Chan F & Magat S S. (1990). Phosphorus requirements and management of oil palm, coconut and rubber. : Journal of Biological Chemistry.
Chicago
Pushparajah E, Chan F and Magat S S. 1990. Phosphorus requirements and management of oil palm, coconut and rubber. : Journal of Biological Chemistry.
Harvard
Pushparajah E, Chan F and Magat S S. (1990). Phosphorus requirements and management of oil palm, coconut and rubber. : Journal of Biological Chemistry.
MLA
Pushparajah E, Chan F and Magat S S. Phosphorus requirements and management of oil palm, coconut and rubber. : Journal of Biological Chemistry. 1990.