National Science Teachers Association, Society of Protozoologists, ebrary, Inc, Anderson, O. R., & Druger, M. (1997). Explore the world using protozoa. National Science Teachers Association ; Society of Protozoologists.
Citace podle Chicago (17th ed.)National Science Teachers Association, Society of Protozoologists, Inc ebrary, O. Roger Anderson, a Marvin Druger. Explore the World Using Protozoa. Arlington, VA : Lawrence, KS: National Science Teachers Association ; Society of Protozoologists, 1997.
Citace podle MLA (9th ed.)National Science Teachers Association, et al. Explore the World Using Protozoa. National Science Teachers Association ; Society of Protozoologists, 1997.
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