Cita APA (7th ed.)

Bradbury, T., & Yeates, E. (2015). Exam essentials practice tests Cambridge english advanced -CAE-: With key (1a. ed.). National Geographic Learning.

Cita Chicago (17th ed.)

Bradbury, Tom, i Eunice Yeates. Exam Essentials Practice Tests Cambridge English Advanced -CAE-: With Key. 1a. ed. Hampshire: National Geographic Learning, 2015.

Cita MLA (9th ed.)

Bradbury, Tom, i Eunice Yeates. Exam Essentials Practice Tests Cambridge English Advanced -CAE-: With Key. 1a. ed. National Geographic Learning, 2015.