APA (7 वां संस्करण) प्रशस्ति पत्र

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

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

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

एमएलए (9वां संस्करण) प्रशस्ति पत्र

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