APA (7e ed.) Bronvermelding

Não informado. (1926). Bulletin. American Society of Plant Physiologists.

Chicago (17e ed.) Bronvermelding

Não informado. Bulletin. Lancaster, Pa: American Society of Plant Physiologists, 1926.

MLA (8e ed.) Bronvermelding

Não informado. Bulletin. American Society of Plant Physiologists, 1926.

Let op: Deze citaties zijn niet altijd 100% accuraat.