keeton,. (1980). Biological science (3rd ed.). Norton.
Tohutoru Kātū Chicago (17th ed.)keeton. Biological Science. 3rd ed. New York: Norton, 1980.
Tohutoro MLA (9th ed.)keeton. Biological Science. 3rd ed. Norton, 1980.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.