एपीए उद्धरण

Ray,S K. (1981). Economics of the black market. Westview Press.

शिकागो स्टाइल उद्धरण

Ray,S K. Economics of the Black Market. Colorado: Westview Press, 1981.

एमएलए उद्धरण

Ray,S K. Economics of the Black Market. Westview Press, 1981.