Graham Linda E., Graham James M., & Wilcox Lee W. (2006). Plant biology (Second edition.). Pearson Prentice Hall.
Cita Chicago Style (17a ed.)Graham Linda E., Graham James M., y Wilcox Lee W. Plant Biology. Second edition. New Jersey: Pearson Prentice Hall, 2006.
Cita MLA (9a ed.)Graham Linda E., et al. Plant Biology. Second edition. Pearson Prentice Hall, 2006.
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