APA (7e ed.) Bronvermelding

Hafer, C. R. (1989). Electronics engineering for professional engineers' examinations (2nd ed.). McGraw-Hill.

Chicago (17e ed.) Bronvermelding

Hafer, Charles R. Electronics Engineering for Professional Engineers' Examinations. 2nd ed. New York: McGraw-Hill, 1989.

MLA (9e ed.) Bronvermelding

Hafer, Charles R. Electronics Engineering for Professional Engineers' Examinations. 2nd ed. McGraw-Hill, 1989.