Berns, M. W. (1983). Cells (2nd ed.). CBS, College.
Cita Chicago (17th ed.)Berns, Michael W. Cells. 2nd ed. Tokyo: CBS, College, 1983.
Cita MLA (9th ed.)Berns, Michael W. Cells. 2nd ed. CBS, College, 1983.
Atenció: Aquestes cites poden no estar 100% correctes.