एपीए उद्धरण

Williams, S. (1967). Salesmanship. The English University Press.

शिकागो स्टाइल उद्धरण

Williams, S.A. Salesmanship. London: The English University Press, 1967.

एमएलए उद्धरण

Williams, S.A. Salesmanship. The English University Press, 1967.