APA (7e ed.) Bronvermelding

Não informado. (1930). Journal of the Faculty of Science. Hokkaido University.

Chicago (17e ed.) Bronvermelding

Não informado. Journal of the Faculty of Science. Sapporo, Japão: Hokkaido University, 1930.

MLA (8e ed.) Bronvermelding

Não informado. Journal of the Faculty of Science. Hokkaido University, 1930.

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