APA
Nehru C.R, Jayarathnam K, Joseph P.M.L & Thankamony S. (1990). Nectar and pollen plants for extending the flow period in rubber growing. : Rubber Board Bulletin.
Chicago
Nehru C.R, Jayarathnam K, Joseph P.M.L and Thankamony S. 1990. Nectar and pollen plants for extending the flow period in rubber growing. : Rubber Board Bulletin.
Harvard
Nehru C.R, Jayarathnam K, Joseph P.M.L and Thankamony S. (1990). Nectar and pollen plants for extending the flow period in rubber growing. : Rubber Board Bulletin.
MLA
Nehru C.R, Jayarathnam K, Joseph P.M.L and Thankamony S. Nectar and pollen plants for extending the flow period in rubber growing. : Rubber Board Bulletin. 1990.