Bybee, R. W., & Feldman, J. (2012). EVO teachers guide: Ten questions everyone should ask about evolution. National Science Teachers Association.

Bybee, Rodger W., and John Feldman. EVO Teachers Guide: Ten Questions Everyone Should Ask About Evolution. Arlington, Va.: National Science Teachers Association, 2012.

Bybee, Rodger W., and John Feldman. EVO Teachers Guide: Ten Questions Everyone Should Ask About Evolution. National Science Teachers Association, 2012.