Berry, B. J. L. (1967). Geography of market centers and retail distribution. [s.n.].
Chicago-referens (17:e uppl.)Berry, Brian Joe Loblay. Geography of Market Centers and Retail Distribution. Englewood Cliffs: [s.n.], 1967.
MLA-referens (9:e uppl.)Berry, Brian Joe Loblay. Geography of Market Centers and Retail Distribution. [s.n.], 1967.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.