Cita APA

Ashley, R. (1961). Electrical estimating (3. ed.). New York: McGraw-Hill Book Co. Inc.

Citación estilo Chicago

Ashley, Ray. Electrical Estimating. 3. ed. New York: McGraw-Hill Book Co. Inc, 1961.

Cita MLA

Ashley, Ray. Electrical Estimating. 3. ed. New York: McGraw-Hill Book Co. Inc, 1961.