APA aipamena

Barrett, J. M. (1986). Biology. Prentice-Hall.

Chicago Style aipamena

Barrett, James M. Biology. Englewood Cliffs, N. J: Prentice-Hall, 1986.

MLA aipamena

Barrett, James M. Biology. Prentice-Hall, 1986.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.