Dyfyniad APA

Osborn, P. D. (1985). Handbook of energy data and calculations: Bincluding directory of products and services. Butterworths. https://doi.org/10.1016/C2013-0-04062-5

Dyfyniad Arddull Chicago

Osborn, Peter D. Handbook of Energy Data and Calculations: Bincluding Directory of Products and Services. London: Butterworths, 1985. https://doi.org/10.1016/C2013-0-04062-5.

Dyfyniad MLA

Osborn, Peter D. Handbook of Energy Data and Calculations: Bincluding Directory of Products and Services. Butterworths, 1985. https://doi.org/10.1016/C2013-0-04062-5.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.