Cita APA (7th ed.)

Levison, M. (1968). Introduction to computer science. Oldbourne Book Co. Ltd.

Cita Chicago (17th ed.)

Levison, Michael. Introduction to Computer Science. London: Oldbourne Book Co. Ltd, 1968.

Cita MLA (9th ed.)

Levison, Michael. Introduction to Computer Science. Oldbourne Book Co. Ltd, 1968.