National Science Teachers Association. Environmental Inquiry Leadership Team, ebrary, Inc, Carroll, P., & Trautmann, N. M. (2001). Assessing toxic risk (Teacher ed.). NSTA Press.
Chicago Style (17. basım) AtıfNational Science Teachers Association. Environmental Inquiry Leadership Team, Inc ebrary, Patricia Carroll, ve Nancy M. Trautmann. Assessing Toxic Risk. Teacher ed. Arlington, Va.: NSTA Press, 2001.
MLA (9th ed.) AtıfNational Science Teachers Association. Environmental Inquiry Leadership Team, et al. Assessing Toxic Risk. Teacher ed. NSTA Press, 2001.
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