Greenfield, H. I. (1993). Invisible, outlawed, and untaxed: America's underground economy (1. publ.). Praeger.
Chicago Style (17th ed.) CitationGreenfield, Harry I. Invisible, Outlawed, and Untaxed: America's Underground Economy. 1. publ. Westport, Conn. u.a: Praeger, 1993.
MLA (9th ed.) CitationGreenfield, Harry I. Invisible, Outlawed, and Untaxed: America's Underground Economy. 1. publ. Praeger, 1993.
Warning: These citations may not always be 100% accurate.