एपीए उद्धरण

Hayes,Rick Stephan. (1979). Credit and collections: A practical guide. CBI Publishing.

शिकागो स्टाइल उद्धरण

Hayes,Rick Stephan. Credit and Collections: A Practical Guide. Boston: CBI Publishing, 1979.

एमएलए उद्धरण

Hayes,Rick Stephan. Credit and Collections: A Practical Guide. CBI Publishing, 1979.