Gottfried, S. S. (1993). Biology today. Mosby.
Tohutoru Kātū Chicago (17th ed.)Gottfried, Sandra S. Biology Today. Baltimore: Mosby, 1993.
Tohutoro MLA (9th ed.)Gottfried, Sandra S. Biology Today. Mosby, 1993.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.