Gaya APA

STALLCUP, J, G. (1986). DESIGNING ELECTRICAL SYSTEMS BASED ON THE 1987 NATIONAL ELECTRICAL CODE . United States of America: ATP Pubicaton.

Gaya MLA

STALLCUP, JAMES, G.. "DESIGNING ELECTRICAL SYSTEMS BASED ON THE 1987 NATIONAL ELECTRICAL CODE". United States of America: ATP Pubicaton, 1986. Text.