Cita APA (7th ed.)

Pohl, A. (2002). Test your professional english: Hotel and catering. Penguin English.

Cita Chicago (17th ed.)

Pohl, Alison. Test Your Professional English: Hotel and Catering. Harlow, Essex: Penguin English, 2002.

Cita MLA (8th ed.)

Pohl, Alison. Test Your Professional English: Hotel and Catering. Penguin English, 2002.