Berry , B. (1967). Geography of market centers and retail: Distribution. Prentice Hall.
Cita Chicago (17th ed.)Berry , Brian. Geography of Market Centers and Retail: Distribution. New Jersey: Prentice Hall, 1967.
Cita MLA (9th ed.)Berry , Brian. Geography of Market Centers and Retail: Distribution. Prentice Hall, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.