APA引文

Kim, C. (1977). The history of fertilizer policies in Korea: An economic study. s.n.

Chicago Style (17th ed.) Citation

Kim, Choonsan. The History of Fertilizer Policies in Korea: An Economic Study. s.l: s.n, 1977.

MLA引文

Kim, Choonsan. The History of Fertilizer Policies in Korea: An Economic Study. s.n, 1977.