Gaya APA

Valkenburgh, V. et al (1966). The New Model Programmed Course of Elementary Technician Training Basic Industrial Electricity Part One (Part One). New York. USA: British and Commonwealth Edition First.

Gaya MLA

Valkenburgh, Van. et al. "The New Model Programmed Course of Elementary Technician Training Basic Industrial Electricity Part One". Part One New York. USA: British and Commonwealth Edition First, 1966. Text.