Brown, H. D. (2007). Teaching by principles: An interactive approach to language pedagogy (3rd ed.). Pearson.
Chicago-čujuhus (17. p.)Brown, H. Douglas. Teaching by Principles: An Interactive Approach to Language Pedagogy. 3rd ed. New York: Pearson, 2007.
MLA-čujuhus (9. p.)Brown, H. Douglas. Teaching by Principles: An Interactive Approach to Language Pedagogy. 3rd ed. Pearson, 2007.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.