Dyfyniad APA
ebrary, Inc, Mendez, B., & Pena, J. (2012). Household energy: Economics, consumption and efficiency. Nova Science Publishers.
Dyfyniad Arddull Chicago
ebrary, Inc, Bartoli Mendez, and Josiah Pena. Household Energy: Economics, Consumption and Efficiency. Hauppauge, N.Y.: Nova Science Publishers, 2012.
Dyfyniad MLA
ebrary, Inc, et al. Household Energy: Economics, Consumption and Efficiency. Nova Science Publishers, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.