National Science Teachers Association. Environmental Inquiry Leadership Team, ebrary, Inc, & Trautmann, N. M. (2001). Assessing toxic risk (Student ed.). NSTA Press.
芝加哥风格引文National Science Teachers Association. Environmental Inquiry Leadership Team, Inc ebrary, 与 Nancy M. Trautmann. Assessing Toxic Risk. Student ed. Arlington, Va.: NSTA Press, 2001.
MLA引文National Science Teachers Association. Environmental Inquiry Leadership Team, et al. Assessing Toxic Risk. Student ed. NSTA Press, 2001.
警告：这些引文格式不一定是100％准确.