Cita APA (7a ed.)

Ackam, R. (2000). First certificate Gold: Coursebook (1a. ed.). Pearson Education.

Cita Chicago Style (17a ed.)

Ackam, Richard. First Certificate Gold: Coursebook. 1a. ed. Londres: Pearson Education, 2000.

Cita MLA (8a ed.)

Ackam, Richard. First Certificate Gold: Coursebook. 1a. ed. Pearson Education, 2000.