Macmillan/McGraw-Hill School Publishing Company, Moyer, R., Daniel, L., & Hackett, J. (2000). Plants. McGraw-Hill School Division.
Cita Chicago (17th ed.)Macmillan/McGraw-Hill School Publishing Company, Richard Moyer, Lucy Daniel, i Jay Hackett. Plants. New York: McGraw-Hill School Division, 2000.
Cita MLA (8th ed.)Macmillan/McGraw-Hill School Publishing Company, et al. Plants. McGraw-Hill School Division, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.