Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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