Brown, H. D. (1987). Principles of language learning and teaching. Englewood Cliffs, N.J: Prentice-Hall.
Dyfyniad Arddull ChicagoBrown, H. Douglas. Principles of Language Learning and Teaching. Englewood Cliffs, N.J: Prentice-Hall, 1987.
Dyfyniad MLABrown, H. Douglas. Principles of Language Learning and Teaching. Englewood Cliffs, N.J: Prentice-Hall, 1987.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.