APA

Nugawela A, Abeysinghe D C A & Samarasekera R K. (1995). Diurnal variation in gas exchange characters of leaves of Hevea brasiliensis exposed to sun light at different canopy levels and their contribution to dry matter production. : Journal of the Rubber Research Institute of Sri Lanka.

Chicago

Nugawela A, Abeysinghe D C A and Samarasekera R K. 1995. Diurnal variation in gas exchange characters of leaves of Hevea brasiliensis exposed to sun light at different canopy levels and their contribution to dry matter production. : Journal of the Rubber Research Institute of Sri Lanka.

Harvard

Nugawela A, Abeysinghe D C A and Samarasekera R K. (1995). Diurnal variation in gas exchange characters of leaves of Hevea brasiliensis exposed to sun light at different canopy levels and their contribution to dry matter production. : Journal of the Rubber Research Institute of Sri Lanka.

MLA

Nugawela A, Abeysinghe D C A and Samarasekera R K. Diurnal variation in gas exchange characters of leaves of Hevea brasiliensis exposed to sun light at different canopy levels and their contribution to dry matter production. : Journal of the Rubber Research Institute of Sri Lanka. 1995.