Berry, B. J. (1967). Geography of market centers and retail distribution. Prentice-Hall.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBerry, Brian J.L. Geography of Market Centers and Retail Distribution. Prentice-Hall, 1967.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBerry, Brian J.L. Geography of Market Centers and Retail Distribution. Prentice-Hall, 1967.
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