APA-referens

Nitrogen nutrion and plant growth. (1999). Nitrogen nutrion and plant growth. Enfield, New Hampshire: Science.

Chicago-stil citat

Nitrogen nutrion and plant growth. Nitrogen Nutrion and Plant Growth. Enfield, New Hampshire: Science, 1999.

MLA-referens

Nitrogen nutrion and plant growth. Nitrogen Nutrion and Plant Growth. Enfield, New Hampshire: Science, 1999.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.