APA

Herres D., . (2012). 2011 National Electrical Code chapter-by-chapter. New York: McGraw-Hill.

Chicago

Herres David, . 2012. 2011 National Electrical Code chapter-by-chapter. New York: McGraw-Hill.

Harvard

Herres D., . (2012). 2011 National Electrical Code chapter-by-chapter. New York: McGraw-Hill.

MLA

Herres David, . 2011 National Electrical Code chapter-by-chapter. New York: McGraw-Hill. 2012.