Leff, M. C., & Kauffeld, F. J. (1989). Texts in context: Critical dialogues on significant episodes in American political rhetoric : with newly - edited speech texts by Anna E. Dickinson and by Martin Luther King,jr. Hermagoras.
Παραπομπή σε μορφή Chicago (17η εκδ.)Leff, Michael C., και Frederick J. Kauffeld. Texts in Context: Critical Dialogues on Significant Episodes in American Political Rhetoric : With Newly - Edited Speech Texts by Anna E. Dickinson and by Martin Luther King,jr. California: Hermagoras, 1989.
Παραπομπή σε μορφή MLA (9th εκδ.)Leff, Michael C., και Frederick J. Kauffeld. Texts in Context: Critical Dialogues on Significant Episodes in American Political Rhetoric : With Newly - Edited Speech Texts by Anna E. Dickinson and by Martin Luther King,jr. Hermagoras, 1989.