Colley, B. C. (1999). Practical manual of land development (3rd ed.). McGraw-Hill.
Chicago Style (17. basım) AtıfColley, B. C. Practical Manual of Land Development. 3rd ed. New York: McGraw-Hill, 1999.
MLA (9th ed.) AtıfColley, B. C. Practical Manual of Land Development. 3rd ed. McGraw-Hill, 1999.
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