Παραπομπή APA

Gerbert, K. L. (1977). National electrical code blueprint reading. American Technical Society.

Παραπομπή Chicago Style

Gerbert, Kenneth L. National Electrical Code Blueprint Reading. Chicago: American Technical Society, 1977.

Παραπομπή MLA

Gerbert, Kenneth L. National Electrical Code Blueprint Reading. American Technical Society, 1977.