Παραπομπή σε μορφή APA (7η εκδ.)

Langacker, R. W. (1973). Language and its structure: Some fundamental linguistic concepts (2nd ed.). Harcourt Brace Jovanovich.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Langacker, Ronald W. Language and Its Structure: Some Fundamental Linguistic Concepts. 2nd ed. New York: Harcourt Brace Jovanovich, 1973.

Παραπομπή σε μορφή MLA (9th εκδ.)

Langacker, Ronald W. Language and Its Structure: Some Fundamental Linguistic Concepts. 2nd ed. Harcourt Brace Jovanovich, 1973.