Cita APA (7th ed.)

Cunningham, G., Mohamed, S., & Greenall, S. (2002). Language to go: Pre-intermediate. Pearson Education Limited.

Cita Chicago (17th ed.)

Cunningham, Gillie, Sue Mohamed, i Simon Greenall. Language to Go: Pre-intermediate. [s.l.]: Pearson Education Limited, 2002.

Cita MLA (9th ed.)

Cunningham, Gillie, et al. Language to Go: Pre-intermediate. Pearson Education Limited, 2002.