Muguti, E., Everts, S., Schulte, B., & Smallegance, L. (1999). Energy effeciency for small and medium scale enterprises. Intermediate Technology Productions.
Chicago-referens (17:e uppl.)Muguti, Elizabeth, Saskia Everts, Bob Schulte, och Linda Smallegance. Energy Effeciency for Small and Medium Scale Enterprises. Netherlands: Intermediate Technology Productions, 1999.
MLA-referens (9:e uppl.)Muguti, Elizabeth, et al. Energy Effeciency for Small and Medium Scale Enterprises. Intermediate Technology Productions, 1999.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.