APA aipamena

Johnson R D & Davies GW P. (1978). A handbook of systems analysis. Macmillan.

Chicago Style aipamena

Johnson R D and Davies GW P. A Handbook of Systems Analysis. New Delhi: Macmillan, 1978.

MLA aipamena

Johnson R D and Davies GW P. A Handbook of Systems Analysis. Macmillan, 1978.