APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (8. p.)

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