Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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