Gairns, R., & Redman, S. (1996). True to Life: English for Adult Learners. Cambridge: Cambridge University Press.
Chicago Style aipamenaGairns, Ruth, và Stuart Redman. True to Life: English for Adult Learners. Cambridge: Cambridge University Press, 1996.
MLA aipamenaGairns, Ruth, và Stuart Redman. True to Life: English for Adult Learners. Cambridge: Cambridge University Press, 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.