Starr, C. (1984). Biology: The unity and diversity of life (3rd ed.). Wadsworth.
Cita Chicago (17th ed.)Starr, Cecie. Biology: The Unity and Diversity of Life. 3rd ed. Belmont, Calif: Wadsworth, 1984.
Cita MLA (9th ed.)Starr, Cecie. Biology: The Unity and Diversity of Life. 3rd ed. Wadsworth, 1984.
Atenció: Aquestes cites poden no estar 100% correctes.