Cita APA (7th ed.)

Walter, C. (1982). Authentic reading: Teacher's book and key. Cambridge University.

Cita Chicago (17th ed.)

Walter, Catherine. Authentic Reading: Teacher's Book and Key. Nueva York: Cambridge University, 1982.

Cita MLA (9th ed.)

Walter, Catherine. Authentic Reading: Teacher's Book and Key. Cambridge University, 1982.