APA-referens (7:e uppl.)

Twidell, J. (2022). Renewable energy resources (Fourth edition.). Routledge.

Chicago-referens (17:e uppl.)

Twidell, John. Renewable Energy Resources. Fourth edition. New York: Routledge, 2022.

MLA-referens (8:e uppl.)

Twidell, John. Renewable Energy Resources. Fourth edition. Routledge, 2022.