Bernstein, R., & Bernstein, S. (1982). Biology: The Study of Life. New York: Harcourt Brace Jovanovich.
Chicago Style CitationBernstein, Ruth, i Stephen Bernstein. Biology: The Study of Life. New York: Harcourt Brace Jovanovich, 1982.
Cita MLABernstein, Ruth, i Stephen Bernstein. Biology: The Study of Life. New York: Harcourt Brace Jovanovich, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.