APA (7e ed.) Bronvermelding

Não informado. (1972). Hokkaido Mathematical Journal. Hokkaido University, Department of Mathematics.

Chicago (17e ed.) Bronvermelding

Não informado. Hokkaido Mathematical Journal. Sapporo, Japão: Hokkaido University, Department of Mathematics, 1972.

MLA (8e ed.) Bronvermelding

Não informado. Hokkaido Mathematical Journal. Hokkaido University, Department of Mathematics, 1972.

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