APA引文

P.G.K. Panikar. (1973). Environmental Factors in Production and Productivity of Rice in Kerala. Centre for Development Studies-WP15.

Chicago Edition Citation

P.G.K. Panikar. Environmental Factors in Production and Productivity of Rice in Kerala. Centre for Development Studies-WP15, 1973.

MLA引文

P.G.K. Panikar. Environmental Factors in Production and Productivity of Rice in Kerala. Centre for Development Studies-WP15, 1973.

警告：這些引文格式不一定是100％准確.