Cita APA (7a ed.)
(1999). Heating/piping/air conditioning engineering: HPAC engineering. Penton Media.
Cita Chicago Style (17a ed.)
Heating/piping/air Conditioning Engineering: HPAC Engineering. Cleveland, OH: Penton Media, 1999.
Cita MLA (9a ed.)
Heating/piping/air Conditioning Engineering: HPAC Engineering. Penton Media, 1999.
Precaución: Estas citas no son 100% exactas.