Παραπομπή APA

Cameron, P., & Penny Cameron; Vanessa Todd. (2006). Prepare for IELTS: Academic practice tests. Tp. Hồ Chí Minh: Trẻ.

Παραπομπή Chicago Style

Cameron, Penny, και Penny Cameron; Vanessa Todd. Prepare for IELTS: Academic Practice Tests. Tp. Hồ Chí Minh: Trẻ, 2006.

Παραπομπή MLA

Cameron, Penny, και Penny Cameron; Vanessa Todd. Prepare for IELTS: Academic Practice Tests. Tp. Hồ Chí Minh: Trẻ, 2006.

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