Cita APA

Colesby, J., & Townsend, P. (1981). Keeping Warm for Half the Cost (2nd ed.). Great Britain: : Prism Press.

Citación estilo Chicago

Colesby, John, y Phil Townsend. Keeping Warm for Half the Cost. 2nd ed. Great Britain: : Prism Press, 1981.

Cita MLA

Colesby, John, y Phil Townsend. Keeping Warm for Half the Cost. 2nd ed. Great Britain: : Prism Press, 1981.