Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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