Cita APA (7a ed.)

Brown H. D. H. Douglas. (2001). Teaching by Principles. An Interactive Approach to Language Pedagogy (2nd ed.). San Francisco, Longman, 2001.

Cita Chicago Style (17a ed.)

Brown H. D. H. Douglas. Teaching by Principles. An Interactive Approach to Language Pedagogy. 2nd ed. San Francisco, Longman, 2001, 2001.

Cita MLA (9a ed.)

Brown H. D. H. Douglas. Teaching by Principles. An Interactive Approach to Language Pedagogy. 2nd ed. San Francisco, Longman, 2001, 2001.