Morris, M. A., Funk, R. S., & Smith, P. W. (1983). An annotated bibliography of the Illinois herpetological literature 1960 - 1980, and an updated checklist of species of the state. State of Illinois, Dep. of Energy and Natural Resources, Natural History Survey Div.
Chicago-Zitierstil (17. Ausg.)Morris, Michael A., Richard S. Funk, und Philip W. Smith. An Annotated Bibliography of the Illinois Herpetological Literature 1960 - 1980, and an Updated Checklist of Species of the State. Champaign, Ill: State of Illinois, Dep. of Energy and Natural Resources, Natural History Survey Div, 1983.
MLA-Zitierstil (9. Ausg.)Morris, Michael A., et al. An Annotated Bibliography of the Illinois Herpetological Literature 1960 - 1980, and an Updated Checklist of Species of the State. State of Illinois, Dep. of Energy and Natural Resources, Natural History Survey Div, 1983.