APA aipamena

Hartwell, F. P. (2017). McGraw-Hill's National Electrical Code 2017 handbook (Twenty-ninth edition.). McGraw-Hill Education.

Chicago Style aipamena

Hartwell, Frederic P. McGraw-Hill's National Electrical Code 2017 Handbook. Twenty-ninth edition. New York: McGraw-Hill Education, 2017.

MLA aipamena

Hartwell, Frederic P. McGraw-Hill's National Electrical Code 2017 Handbook. Twenty-ninth edition. McGraw-Hill Education, 2017.