Citazione Stile APA (7a Edizione)

Frenken, W. (2007). Political speeches: Historical & topical issues (1. Dr.). Schöningh.

Citazione stile Chigago Style (17a edizione)

Frenken, Wiltrud. Political Speeches: Historical & Topical Issues. 1. Dr. Paderborn: Schöningh, 2007.

Citatione MLA (9a ed.)

Frenken, Wiltrud. Political Speeches: Historical & Topical Issues. 1. Dr. Schöningh, 2007.