Gaya APA

Langacker, R, W. (1973). Language and its structure:some fundamental linguistic concepts / Ronald W.Langacker (2ndEd.). New York: Harcourt Brace Jovanovich.

Gaya MLA

Langacker, Ronald, W.. "Language and its structure:some fundamental linguistic concepts / Ronald W.Langacker". 2ndEd. New York: Harcourt Brace Jovanovich, 1973. Text.