Freifelder, D. (1987). Molecular biology (2nd ed.). Narosa.
Cita Chicago (17th ed.)Freifelder, David. Molecular Biology. 2nd ed. New Delhi: Narosa, 1987.
Cita MLA (9th ed.)Freifelder, David. Molecular Biology. 2nd ed. Narosa, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.