Cita APA (7th ed.)
Reeves Journal: Plumbing, Heating, Cooling.
Cita Chicago (17th ed.)
Reeves Journal: Plumbing, Heating, Cooling.
Cita MLA (9th ed.)
Reeves Journal: Plumbing, Heating, Cooling.
Atenció: Aquestes cites poden no estar 100% correctes.