APA-viite

Cameron, P. (2009). Prepare for IELTS general training practice tests. Thành phố Hồ Chí Minh: Trẻ.

Chicago-tyylinen lähdeviittaus

Cameron, Penny. Prepare for IELTS General Training Practice Tests. Thành phố Hồ Chí Minh: Trẻ, 2009.

MLA-viite

Cameron, Penny. Prepare for IELTS General Training Practice Tests. Thành phố Hồ Chí Minh: Trẻ, 2009.

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