Cita APA (7a ed.)

Pennycook, K. A. (2007). Refurbishment for energy efficiency: An overview. CIBSE.

Cita Chicago Style (17a ed.)

Pennycook, K. A. Refurbishment for Energy Efficiency: An Overview. London: CIBSE, 2007.

Cita MLA (9a ed.)

Pennycook, K. A. Refurbishment for Energy Efficiency: An Overview. CIBSE, 2007.