APA
Pee T Y, Koh M H, Lai M H, Png T C & Yong H W. (1977). Towards rational use of ethephon in Hevea. : Journal of the Rubber Research Institute of Sri Lanka : Conference Proceedings.
Chicago
Pee T Y, Koh M H, Lai M H, Png T C and Yong H W. 1977. Towards rational use of ethephon in Hevea. : Journal of the Rubber Research Institute of Sri Lanka : Conference Proceedings.
Harvard
Pee T Y, Koh M H, Lai M H, Png T C and Yong H W. (1977). Towards rational use of ethephon in Hevea. : Journal of the Rubber Research Institute of Sri Lanka : Conference Proceedings.
MLA
Pee T Y, Koh M H, Lai M H, Png T C and Yong H W. Towards rational use of ethephon in Hevea. : Journal of the Rubber Research Institute of Sri Lanka : Conference Proceedings. 1977.