Haring, L. L., Frazier, J. W., & Lounsbury, J. F. (1992). Introduction to scientific geographic research (4th ed.). Wm. C. Brown Publishers.
Chicago Style (17. basım) AtıfHaring, L. Lloyd, John W. Frazier, ve John F. Lounsbury. Introduction to Scientific Geographic Research. 4th ed. Dubuque, Ia: Wm. C. Brown Publishers, 1992.
MLA (9th ed.) AtıfHaring, L. Lloyd, et al. Introduction to Scientific Geographic Research. 4th ed. Wm. C. Brown Publishers, 1992.
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