APA استشهاد

West, J. C. . .. (1962). Text book of servo-mechanisms (1.). English Universities Press.

استشهاد بنمط شيكاغو

West, John C. Text Book of Servo-mechanisms. 1. London: English Universities Press, 1962.

MLA استشهاد

West, John C. Text Book of Servo-mechanisms. 1. English Universities Press, 1962.