APA-viite

Howell, Y., & Berney, J. A. (1979). Engineer's guide to solar energy. Solar Energy Information Services.

Chicago-tyylinen lähdeviittaus

Howell, Yvonne, ja Justin A. Berney. Engineer's Guide to Solar Energy. California: Solar Energy Information Services, 1979.

MLA-viite

Howell, Yvonne, ja Justin A. Berney. Engineer's Guide to Solar Energy. Solar Energy Information Services, 1979.