Citazione Stile APA (7a Edizione)

Collie, J., & Slater, S. (1995). True to life: English for adult learners, Elementary. Cambridge University.

Citazione stile Chigago Style (17a edizione)

Collie, Joanne, e Stephen Slater. True to Life: English for Adult Learners, Elementary. Cambridge: Cambridge University, 1995.

Citatione MLA (9a ed.)

Collie, Joanne, e Stephen Slater. True to Life: English for Adult Learners, Elementary. Cambridge University, 1995.