Sutherland, W. J. (1996). Ecological census techniques: : a hand book. Cambridge University Press.
Chicago Stili AlıntıSutherland, William J. Ecological Census Techniques: : A Hand Book. Cambridge University Press, 1996.
MLA AlıntıSutherland, William J. Ecological Census Techniques: : A Hand Book. Cambridge University Press, 1996.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..