Kristoferson, L. A., & Bokalders, V. (1987). RENEWABLE ENERGY TECHNOLOGIES: Their applications in developing countries. Pergamon Press.
Citácia podle Chicago (17th ed.)Kristoferson, Lars A., a Varis Bokalders. RENEWABLE ENERGY TECHNOLOGIES: Their Applications in Developing Countries. Oxford: Pergamon Press, 1987.
Citácia podľa MLA (8th ed.)Kristoferson, Lars A., a Varis Bokalders. RENEWABLE ENERGY TECHNOLOGIES: Their Applications in Developing Countries. Pergamon Press, 1987.
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