APA
Premakumari D, George P J & Panikkar A O N. (1990). Comparative anatomy of virgin and renewed bark in Hevea. : Placrosym IX, Bangalore, 1990. Journal of Plantation Crops, 20 (Supplement): 204-206.
Chicago
Premakumari D, George P J and Panikkar A O N. 1990. Comparative anatomy of virgin and renewed bark in Hevea. : Placrosym IX, Bangalore, 1990. Journal of Plantation Crops, 20 (Supplement): 204-206.
Harvard
Premakumari D, George P J and Panikkar A O N. (1990). Comparative anatomy of virgin and renewed bark in Hevea. : Placrosym IX, Bangalore, 1990. Journal of Plantation Crops, 20 (Supplement): 204-206.
MLA
Premakumari D, George P J and Panikkar A O N. Comparative anatomy of virgin and renewed bark in Hevea. : Placrosym IX, Bangalore, 1990. Journal of Plantation Crops, 20 (Supplement): 204-206. 1990.