Cita APA

Oluf Chr. Bockman. (1990). Agriculture and fertilizers: Fertilizers in perspective. Norway: Norsk Hydro a.s.

Citación estilo Chicago

Oluf Chr. Bockman. Agriculture and Fertilizers: Fertilizers in Perspective. Norway: Norsk Hydro a.s, 1990.

Cita MLA

Oluf Chr. Bockman. Agriculture and Fertilizers: Fertilizers in Perspective. Norway: Norsk Hydro a.s, 1990.

Precaución: Estas citas no son 100% exactas.