Παραπομπή APA

Bell, M. M., & Carolan,Michael S. (2012). An invitation to environmental sociology (4.). Sage.

Παραπομπή Chicago Style

Bell, Michael Mayerfeld, και Carolan,Michael S. An Invitation to Environmental Sociology. 4. Los Angeles: Sage, 2012.

Παραπομπή MLA

Bell, Michael Mayerfeld, και Carolan,Michael S. An Invitation to Environmental Sociology. 4. Sage, 2012.