एपीए उद्धरण

Lyn Scott. (2003). Natural english (upper-intermediate workbook with key). Oxford, NY: Oxford Univ. Press.

शिकागो स्टाइल उद्धरण

Lyn Scott. Natural English (upper-intermediate Workbook With Key). Oxford, NY: Oxford Univ. Press, 2003.

एमएलए उद्धरण

Lyn Scott. Natural English (upper-intermediate Workbook With Key). Oxford, NY: Oxford Univ. Press, 2003.