APA استشهاد

Hollingdale, S., & Tooltill, G. (1965). Electronoic computers. Penguin Books.

استشهاد بنمط شيكاغو

Hollingdale, S.H, و G.C Tooltill. Electronoic Computers. England: Penguin Books, 1965.

MLA استشهاد

Hollingdale, S.H, و G.C Tooltill. Electronoic Computers. Penguin Books, 1965.