APA-referens (7:e uppl.)
ebrary, Inc, Emison, G. A., & Morris, J. C. (2012). True green: Executive effectiveness in the U.S. Environmental Protection Agency. Lexington Books.
Chicago-referens (17:e uppl.)
ebrary, Inc, Gerald A. Emison, och John C. Morris. True Green: Executive Effectiveness in the U.S. Environmental Protection Agency. Lanham: Lexington Books, 2012.
MLA-referens (9:e uppl.)
ebrary, Inc, et al. True Green: Executive Effectiveness in the U.S. Environmental Protection Agency. Lexington Books, 2012.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.