Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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