Gaya APA

Mackey, W, F., Ornstein, J. (1979). Sociolinguistic studies in language contact: Methods and cases . Den Haag: Mouton Publishers.

Gaya MLA

Mackey, William, Francis., Ornstein, Jacob. "Sociolinguistic studies in language contact: Methods and cases". Den Haag: Mouton Publishers, 1979. Text.