Παραπομπή APA

Duggan, J. J. (1973). The song of Roland: Formulaic style and poetic craft.

Παραπομπή Chicago Style

Duggan, Joseph J. The Song of Roland: Formulaic Style and Poetic Craft. Berkeley, University of California Press, 1973.

Παραπομπή MLA

Duggan, Joseph J. The Song of Roland: Formulaic Style and Poetic Craft. 1973.