Starr, C. (2013). Biology: The unity and diversity of life (13th edition.). Brooks/Cole Cengage Learning.
Chicago-viite (17. p.)Starr, Cecie. Biology: The Unity and Diversity of Life. 13th edition. Australia: Brooks/Cole Cengage Learning, 2013.
MLA-viite (9. p.)Starr, Cecie. Biology: The Unity and Diversity of Life. 13th edition. Brooks/Cole Cengage Learning, 2013.
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