Wetland wonders :
instructional materials for the study of midwestern wetlands /
Michael R. Jeffords, Audrey S. Hodgins, Stephen P. Havera.
APA Citation
Jeffords, M. R., Havera, S. P., Hodgins, A. S., Illinois. Natural History Survey Division. (1992). Wetland wonders: instructional materials for the study of midwestern wetlands. Champaign, Ill.: Illinois Natural History Survey.
MLA Citation
Jeffords, Michael R, Stephen P Havera, Audrey S Hodgins, and Illinois. Natural History Survey Division. Wetland Wonders: Instructional Materials for the Study of Midwestern Wetlands. Champaign, Ill.: Illinois Natural History Survey, 1992.
Warning: These citations may not always be complete (especially for serials).