एपीए उद्धरण

Willborn, W., & Edwincheng, T. (1994). Global management of quality assurance system. McGraw Hill.

शिकागो स्टाइल उद्धरण

Willborn, Walter, और T.C Edwincheng. Global Management of Quality Assurance System. New York: McGraw Hill, 1994.

एमएलए उद्धरण

Willborn, Walter, और T.C Edwincheng. Global Management of Quality Assurance System. McGraw Hill, 1994.