APA-referens (7:e uppl.)
Osiolo, H. (2009). Enhancing household fuel choice and substitution in Kenya. Kenya Institute for Public Policy Research and Analysis.
Chicago-referens (17:e uppl.)
Osiolo, Hellen. Enhancing Household Fuel Choice and Substitution in Kenya. Nairobi, Kenya: Kenya Institute for Public Policy Research and Analysis, 2009.
MLA-referens (9:e uppl.)
Osiolo, Hellen. Enhancing Household Fuel Choice and Substitution in Kenya. Kenya Institute for Public Policy Research and Analysis, 2009.
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