Sutherland, W. J. (1996). Ecological Census Techniques: A Handbook (2nd ed.). Cambridge University.
Chicago Style (17. basım) AtıfSutherland, William J. Ecological Census Techniques: A Handbook. 2nd ed. Cambridge: Cambridge University, 1996.
MLA (9th ed.) AtıfSutherland, William J. Ecological Census Techniques: A Handbook. 2nd ed. Cambridge University, 1996.
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