Dyfyniad APA

Berry, B. J. L. (1967). Geography of market centers and retail distribution. [s.n.].

Dyfyniad Arddull Chicago

Berry, Brian Joe Loblay. Geography of Market Centers and Retail Distribution. Englewood Cliffs: [s.n.], 1967.

Dyfyniad MLA

Berry, Brian Joe Loblay. Geography of Market Centers and Retail Distribution. [s.n.], 1967.

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