APA
Sivakumaran S, Abraham P D & Hashim Ismail. (1985). The effect of direction of tapping and position of cut on yield responses to stimulation. : Journal of the Rubber Research Institute of Malaysia.
Chicago
Sivakumaran S, Abraham P D and Hashim Ismail. 1985. The effect of direction of tapping and position of cut on yield responses to stimulation. : Journal of the Rubber Research Institute of Malaysia.
Harvard
Sivakumaran S, Abraham P D and Hashim Ismail. (1985). The effect of direction of tapping and position of cut on yield responses to stimulation. : Journal of the Rubber Research Institute of Malaysia.
MLA
Sivakumaran S, Abraham P D and Hashim Ismail. The effect of direction of tapping and position of cut on yield responses to stimulation. : Journal of the Rubber Research Institute of Malaysia. 1985.