Cita APA (7th ed.)

Gairns, R., Redman, S., & Collie, J. (1996). True to life english for adult learners: Intermediate class book. Cambridge University.

Cita Chicago (17th ed.)

Gairns, Ruth, Stuart Redman, i Joanne Collie. True to Life English for Adult Learners: Intermediate Class Book. Cambridge: Cambridge University, 1996.

Cita MLA (9th ed.)

Gairns, Ruth, et al. True to Life English for Adult Learners: Intermediate Class Book. Cambridge University, 1996.