Gopal Chandra De. (1989). Fundamentals of agronomy. Oxford & IBH publishing Co.
Chicago Edition CitationGopal Chandra De. Fundamentals of Agronomy. New Delhi: Oxford & IBH publishing Co, 1989.
MLA引文Gopal Chandra De. Fundamentals of Agronomy. Oxford & IBH publishing Co, 1989.
警告:這些引文格式不一定是100%准確.