APA
John A, Joseph A, Meenakumari T, Saraswathyamma C.K & Varghese Y.A. (2000). Clonal variation in the intensity of powdery mildew (Oidium heveae steinm) disease of Hevea. : Indian Journal of Natural Rubber Research.
Chicago
John A, Joseph A, Meenakumari T, Saraswathyamma C.K and Varghese Y.A. 2000. Clonal variation in the intensity of powdery mildew (Oidium heveae steinm) disease of Hevea. : Indian Journal of Natural Rubber Research.
Harvard
John A, Joseph A, Meenakumari T, Saraswathyamma C.K and Varghese Y.A. (2000). Clonal variation in the intensity of powdery mildew (Oidium heveae steinm) disease of Hevea. : Indian Journal of Natural Rubber Research.
MLA
John A, Joseph A, Meenakumari T, Saraswathyamma C.K and Varghese Y.A. Clonal variation in the intensity of powdery mildew (Oidium heveae steinm) disease of Hevea. : Indian Journal of Natural Rubber Research. 2000.