Gaya APA

Sokal, R, R., Rohlf, F, J. (1995). Biometry : the principles and practice of statistics in biological research (3rd ed). New York: W.H. Freeman.

Gaya MLA

Sokal, Robert, R.., Rohlf, F., James. "Biometry : the principles and practice of statistics in biological research". 3rd ed New York: W.H. Freeman, 1995. Text.