एपीए उद्धरण

Wotruba, T. R. a. . S. (1989). Sales management: Text and cases.

शिकागो स्टाइल उद्धरण

Wotruba, Thomas R and Simpson. Sales Management: Text and Cases. PWS KENT Publishing Co., Boston, 1989.

एमएलए उद्धरण

Wotruba, Thomas R and Simpson. Sales Management: Text and Cases. 1989.