APA (7e ed.) Bronvermelding

Não informado. (1970). Review of Regional Studies. Southern Regional Science Association.

Chicago (17e ed.) Bronvermelding

Não informado. Review of Regional Studies. Birmingham, Ala: Southern Regional Science Association, 1970.

MLA (8e ed.) Bronvermelding

Não informado. Review of Regional Studies. Southern Regional Science Association, 1970.

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