APA aipamena

Bernstein, R., & Bernstein, S. (1982). Biology: The Study of Life. New York: Harcourt Brace Jovanovich.

Chicago Style aipamena

Bernstein, Ruth, và Stephen Bernstein. Biology: The Study of Life. New York: Harcourt Brace Jovanovich, 1982.

MLA aipamena

Bernstein, Ruth, và Stephen Bernstein. Biology: The Study of Life. New York: Harcourt Brace Jovanovich, 1982.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.