APA
Premakumari D, George P.J & Panikkar A.O.N. (1992). Comparative anatomy of virgin and renewed bark in Hevea. : Placrosym IX, 1990, Bangalore, India. Journal of Plantation Crops, 20 (Supplement): 204-206.
Chicago
Premakumari D, George P.J and Panikkar A.O.N. 1992. Comparative anatomy of virgin and renewed bark in Hevea. : Placrosym IX, 1990, Bangalore, India. Journal of Plantation Crops, 20 (Supplement): 204-206.
Harvard
Premakumari D, George P.J and Panikkar A.O.N. (1992). Comparative anatomy of virgin and renewed bark in Hevea. : Placrosym IX, 1990, Bangalore, India. 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, 1990, Bangalore, India. Journal of Plantation Crops, 20 (Supplement): 204-206. 1992.