APA-referens

Konrad Mengel. (1982). Principles of plant nutrition. Switzelend: International Potash Institute.

Chicago-stil citat

Konrad Mengel. Principles of Plant Nutrition. Switzelend: International Potash Institute, 1982.

MLA-referens

Konrad Mengel. Principles of Plant Nutrition. Switzelend: International Potash Institute, 1982.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.