एपीए उद्धरण

Michael Duckworth. (1998). Going international English for tourism (Workbook). Oxford: Oxford Univ. Press.

शिकागो स्टाइल उद्धरण

Michael Duckworth. Going International English for Tourism (Workbook). Oxford: Oxford Univ. Press, 1998.

एमएलए उद्धरण

Michael Duckworth. Going International English for Tourism (Workbook). Oxford: Oxford Univ. Press, 1998.