Cita APA (7th ed.)

Watkins, D. E. (2011). Heating services in buildings: Design, installation, commissioning & maintenance. Wiley-Blackwell.

Cita Chicago (17th ed.)

Watkins, David E. Heating Services in Buildings: Design, Installation, Commissioning & Maintenance. Chichester: Wiley-Blackwell, 2011.

Cita MLA (8th ed.)

Watkins, David E. Heating Services in Buildings: Design, Installation, Commissioning & Maintenance. Wiley-Blackwell, 2011.