Dyfyniad APA

National Assessment of Educational Progress (Project). (1978). Energy knowledge and attitudes: Anational assessment of energy awareness among young adults. NAEP.

Dyfyniad Arddull Chicago

National Assessment of Educational Progress (Project). Energy Knowledge and Attitudes: Anational Assessment of Energy Awareness Among Young Adults. Denver, CO: NAEP, 1978.

Dyfyniad MLA

National Assessment of Educational Progress (Project). Energy Knowledge and Attitudes: Anational Assessment of Energy Awareness Among Young Adults. NAEP, 1978.

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