APA (7th ed.) Zitazioa
Calvert, N., & Cummins, F. (1979). Windpower principles: Their application on the small scale. Griffin.
Chicago Style (17th ed.) Zitazioa
Calvert, N.G, eta F. Cummins. Windpower Principles: Their Application on the Small Scale. London, High Wycombe: Griffin, 1979.
MLA (9th ed.) Zitazioa
Calvert, N.G, eta F. Cummins. Windpower Principles: Their Application on the Small Scale. Griffin, 1979.
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