Fraenkel, P. (1979). The Power guide: A catalogue of small scale power equipment. Intermediate Technology Publications.
Citace podle Chicago (17th ed.)Fraenkel, Peter. The Power Guide: A Catalogue of Small Scale Power Equipment. London: Intermediate Technology Publications, 1979.
Citace podle MLA (8th ed.)Fraenkel, Peter. The Power Guide: A Catalogue of Small Scale Power Equipment. Intermediate Technology Publications, 1979.
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