Cita APA (7th ed.)

Hubert, C. I. (1955). Preventive maintenance of electrical equipment: Preventive programs, trouble shooting, emergency repairs, operating techniques. Mc-Graw-Hill.

Cita Chicago (17th ed.)

Hubert, Charles I. Preventive Maintenance of Electrical Equipment: Preventive Programs, Trouble Shooting, Emergency Repairs, Operating Techniques. New York: Mc-Graw-Hill, 1955.

Cita MLA (9th ed.)

Hubert, Charles I. Preventive Maintenance of Electrical Equipment: Preventive Programs, Trouble Shooting, Emergency Repairs, Operating Techniques. Mc-Graw-Hill, 1955.