Trích dẫn APA

Osborne, C. (2017). Exam Essentials First Certificate Practice Tests. Heinle Cengage Learning.

Trích dẫn kiểu Chicago

Osborne, Charles. Exam Essentials First Certificate Practice Tests. Heinle Cengage Learning, 2017.

MLA Trích dẫn

Osborne, Charles. Exam Essentials First Certificate Practice Tests. Heinle Cengage Learning, 2017.

Warning: These citations may not always be 100% accurate.