Langacker, R. W. (1991). Concept, image, and symbol: The cognitive basis of grammar. Mouton de Gruyter.
Čikaški stil citiranja (17. izdanje)Langacker, Ronald W. Concept, Image, and Symbol: The Cognitive Basis of Grammar. Berlin ; New York: Mouton de Gruyter, 1991.
MLA način citiranja (9. izdanje)Langacker, Ronald W. Concept, Image, and Symbol: The Cognitive Basis of Grammar. Mouton de Gruyter, 1991.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.