Okoreaffia, C. O. (1960). Gladstone's oratory: Structure and style of his speeches. Rheinische Friedrich Wilhelms-Universität.
Chicago-viite (17. p.)Okoreaffia, Chinyere Okore. Gladstone's Oratory: Structure and Style of His Speeches. Bonn: Rheinische Friedrich Wilhelms-Universität, 1960.
MLA-viite (8. p.)Okoreaffia, Chinyere Okore. Gladstone's Oratory: Structure and Style of His Speeches. Rheinische Friedrich Wilhelms-Universität, 1960.
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