APA
Dubin F. &. O. E., . (1977). Facilitating language learning. Macgraw-Hill International Book Company, New York: .
Chicago
Dubin Fraida & Olshtain Elite, . 1977. Facilitating language learning. Macgraw-Hill International Book Company, New York: .
Harvard
Dubin F. &. O. E., . (1977). Facilitating language learning. Macgraw-Hill International Book Company, New York: .
MLA
Dubin Fraida & Olshtain Elite, . Facilitating language learning. Macgraw-Hill International Book Company, New York: . 1977.