Berns, M. W. (1983). Cells (2nd ed.). CBS, College.
Chicago Style (17th ed.) ZitazioaBerns, Michael W. Cells. 2nd ed. Tokyo: CBS, College, 1983.
MLA (9th ed.) ZitazioaBerns, Michael W. Cells. 2nd ed. CBS, College, 1983.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.