Knowles, M., Burdon, I., & Beith, R. (2004). Micro energy systems. Bury St Edmunds, Suffolk, U.K.: Professional Engineering Pub..
Παραπομπή Chicago StyleKnowles, M., I. Burdon, and R. Beith. Micro Energy Systems. Bury St Edmunds, Suffolk, U.K.: Professional Engineering Pub., 2004.
Παραπομπή MLAKnowles, M., I. Burdon, and R. Beith. Micro Energy Systems. Bury St Edmunds, Suffolk, U.K.: Professional Engineering Pub., 2004.
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