Παραπομπή σε μορφή APA (7η εκδ.)

Hymes, D. H. (1981). In vain I tried to tell you: Essays in native American ethnopoetics. University of Pennsylvania Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hymes, Dell H. In Vain I Tried to Tell You: Essays in Native American Ethnopoetics. Philadelphia: University of Pennsylvania Press, 1981.

Παραπομπή σε μορφή MLA (9th εκδ.)

Hymes, Dell H. In Vain I Tried to Tell You: Essays in Native American Ethnopoetics. University of Pennsylvania Press, 1981.