एपीए उद्धरण

Sahanaya, W. (2002). IELTS preparation and practice: Practice tests with annotated answer key. Oxford: Oxford Univ. Press.

शिकागो स्टाइल उद्धरण

Sahanaya, Wendy. IELTS Preparation and Practice: Practice Tests With Annotated Answer Key. Oxford: Oxford Univ. Press, 2002.

एमएलए उद्धरण

Sahanaya, Wendy. IELTS Preparation and Practice: Practice Tests With Annotated Answer Key. Oxford: Oxford Univ. Press, 2002.