Cita APA (7th ed.)

Day, A. R., Ratcliffe, M. S., & Shepherd, K. (2003). Heating systems: Plant and control. Blackwell.

Cita Chicago (17th ed.)

Day, Anthony R., Martin S. Ratcliffe, i Keith Shepherd. Heating Systems: Plant and Control. Oxford: Blackwell, 2003.

Cita MLA (8th ed.)

Day, Anthony R., et al. Heating Systems: Plant and Control. Blackwell, 2003.