Παραπομπή APA

Jones, W. E., & Watkins, G. (1969). Examples in electrical principles for electrical technician students second year.

Παραπομπή Chicago Style

Jones, W Edgar, και Glyndwr Watkins. Examples in Electrical Principles for Electrical Technician Students Second Year. London, Blackie and son, 1969.

Παραπομπή MLA

Jones, W Edgar, και Glyndwr Watkins. Examples in Electrical Principles for Electrical Technician Students Second Year. 1969.