Campbell, N. A., Reece, J. B., Urry, L. A., Cain, M. L., Wasserman, S. A., Minorsky, P. V., & Jackson, R. (2008). Biology (8th ed.). Pearson, Benjamin Cummings.
Cita Chicago (17th ed.)Campbell, Neil A., Jane B. Reece, Lisa Andrea Urry, Michael L. Cain, Steven Alexander Wasserman, Peter V. Minorsky, i Rob Jackson. Biology. 8th ed. San Francisco: Pearson, Benjamin Cummings, 2008.
Cita MLA (9th ed.)Campbell, Neil A., et al. Biology. 8th ed. Pearson, Benjamin Cummings, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.