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