Varma, K. D., & Chandla, V. K. (1990). Potato aphids and their management. CPRI.
Chicago Edition CitationVarma, K D., and V K. Chandla. Potato Aphids and Their Management. Shimla: CPRI, 1990.
MLA Edition CitationVarma, K D., and V K. Chandla. Potato Aphids and Their Management. CPRI, 1990.
Warning: These citations may not always be 100% accurate.