Garrison, W. L. (1967). Quantitative geography. Dept. of Geography of Northwestern University.
Chicago Style (17. basım) AtıfGarrison, William Louis. Quantitative Geography. Evanston: Dept. of Geography of Northwestern University, 1967.
MLA (9th ed.) AtıfGarrison, William Louis. Quantitative Geography. Dept. of Geography of Northwestern University, 1967.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..