National Science Teachers Association. Environmental Inquiry Leadership Team, ebrary, Inc, & Trautmann, N. M. (2001). Assessing toxic risk (Student ed.). NSTA Press.
Цитирование в стиле Чикаго (17-е изд.)National Science Teachers Association. Environmental Inquiry Leadership Team, Inc ebrary, и Nancy M. Trautmann. Assessing Toxic Risk. Student ed. Arlington, Va.: NSTA Press, 2001.
Цитирование MLA (9-е изд.)National Science Teachers Association. Environmental Inquiry Leadership Team, et al. Assessing Toxic Risk. Student ed. NSTA Press, 2001.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.