Παραπομπή APA

Williams, C. C. (2006). Hidden enterprise culture: Entrepreneurship in the underground economy. Edward Elgar.

Παραπομπή Chicago Style

Williams, Colin C. Hidden Enterprise Culture: Entrepreneurship in the Underground Economy. Cheltenham: Edward Elgar, 2006.

Παραπομπή MLA

Williams, Colin C. Hidden Enterprise Culture: Entrepreneurship in the Underground Economy. Edward Elgar, 2006.