APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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