Dyfyniad APA

ABLER, R. (1972). Spatial organization: The geographer's view of of the world. Prentice-Hall.

Dyfyniad Arddull Chicago

ABLER, Ronald. Spatial Organization: The Geographer's View of of the World. London: Prentice-Hall, 1972.

Dyfyniad MLA

ABLER, Ronald. Spatial Organization: The Geographer's View of of the World. Prentice-Hall, 1972.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.