APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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