Smith, R. L. (1995). Ecology and Field Biology. HarperCollins College Publishers.
Tohutoru Kātū Chicago (17th ed.)Smith, Robert Leo. Ecology and Field Biology. New York: HarperCollins College Publishers, 1995.
Tohutoro MLA (9th ed.)Smith, Robert Leo. Ecology and Field Biology. HarperCollins College Publishers, 1995.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.