एपीए उद्धरण

Marks, J. (2009). IELTS resource pack: Games, activities and practice tests for IELTS preparation classes. Viva.

शिकागो स्टाइल उद्धरण

Marks, Jon. IELTS Resource Pack: Games, Activities and Practice Tests for IELTS Preparation Classes. New Delhi: Viva, 2009.

एमएलए उद्धरण

Marks, Jon. IELTS Resource Pack: Games, Activities and Practice Tests for IELTS Preparation Classes. Viva, 2009.