Berg, L. R. (2008). Introductory Botany Plants, people and the environment. Thomson.
Chicago Style (17. basım) AtıfBerg, Linda R. Introductory Botany Plants, People and the Environment. Thomson, 2008.
MLA (8th ed.) AtıfBerg, Linda R. Introductory Botany Plants, People and the Environment. Thomson, 2008.
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