Tohutoro APA (7th ed.)
Spellman, F. R., & Bieber, R. M. (2012). Environmental health and science desk reference. Government Institutes.
Tohutoru Kātū Chicago (17th ed.)
Spellman, Frank R., me Revonna M. Bieber. Environmental Health and Science Desk Reference. Lanham: Government Institutes, 2012.
Tohutoro MLA (9th ed.)
Spellman, Frank R., me Revonna M. Bieber. Environmental Health and Science Desk Reference. Government Institutes, 2012.
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