Page, J. S. (1999). Estimator's electrical man-hour manual (3rd ed.). Gulf Professional Pub..
Cita Chicago Style (17a ed.)Page, John S. Estimator's Electrical Man-hour Manual. 3rd ed. Houston, TX: Gulf Professional Pub., 1999.
Cita MLA (8a ed.)Page, John S. Estimator's Electrical Man-hour Manual. 3rd ed. Gulf Professional Pub., 1999.
Precaución: Estas citas no son 100% exactas.