Παραπομπή σε μορφή APA (7η εκδ.)

Sokal, R. R., & Rohlf, F. J. (1981). Biometry: The principles and practice of statistics in biological research (2nd ed.). W.H. Freeman.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Sokal, Robert R., και F. James Rohlf. Biometry: The Principles and Practice of Statistics in Biological Research. 2nd ed. New York: W.H. Freeman, 1981.

Παραπομπή σε μορφή MLA (8th εκδ.)

Sokal, Robert R., και F. James Rohlf. Biometry: The Principles and Practice of Statistics in Biological Research. 2nd ed. W.H. Freeman, 1981.