APA (7e ed.) Bronvermelding
Abler, R. (1971). Spatial organization: The geographer's view of the world. Prentice-Hall.
Chicago (17e ed.) Bronvermelding
Abler, Ronald. Spatial Organization: The Geographer's View of the World. Englewood Cliffs: Prentice-Hall, 1971.
MLA (9e ed.) Bronvermelding
Abler, Ronald. Spatial Organization: The Geographer's View of the World. Prentice-Hall, 1971.
Let op: Deze citaties zijn niet altijd 100% accuraat.