Gaya APA

Publishers), A, (, T. (1990). National Electrical Code Blueprint Reading: Based on The 1990 National Electrical Code (11th edition). Illionis: American Tecnical Publishers. Inc.

Gaya MLA

Publishers), ATP, (American, Tecnical. "National Electrical Code Blueprint Reading: Based on The 1990 National Electrical Code". 11th edition Illionis: American Tecnical Publishers. Inc, 1990. .