APA引文

Langacker, R. W. (1987). Foundations of cognitive grammar. Stanford, Calif: Stanford University Press.

Trích dẫn kiểu Chicago

Langacker, Ronald W. Foundations of Cognitive Grammar. Stanford, Calif: Stanford University Press, 1987.

MLA引文

Langacker, Ronald W. Foundations of Cognitive Grammar. Stanford, Calif: Stanford University Press, 1987.

警告：這些引文格式不一定是100％准確.