Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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

Attenzione: Queste citazioni potrebbero non essere precise al 100%.