Page, J. S. (1978). Estimator's man-hour manual on heating, air conditioning, ventilating, and plumbing (2d ed.). Gulf Pub. Co., Book Division.
Cita Chicago Style (17a ed.)Page, John S. Estimator's Man-hour Manual on Heating, Air Conditioning, Ventilating, and Plumbing. 2d ed. Houston [Tex.]: Gulf Pub. Co., Book Division, 1978.
Cita MLA (8a ed.)Page, John S. Estimator's Man-hour Manual on Heating, Air Conditioning, Ventilating, and Plumbing. 2d ed. Gulf Pub. Co., Book Division, 1978.
Precaución: Estas citas no son 100% exactas.