APA-viite (7. p.)

CLIFTON H D. (1978). BUSINESS DATA SYSTEMS. A PRACTICAL GUIDE TO SYSTEM ANALYSIS AND DATA PROCESSING. PRENTICE -HALL INTERNATIONAL, INC.

Chicago-viite (17. p.)

CLIFTON H D. BUSINESS DATA SYSTEMS. A PRACTICAL GUIDE TO SYSTEM ANALYSIS AND DATA PROCESSING. NEW JERSEY: PRENTICE -HALL INTERNATIONAL, INC, 1978.

MLA-viite (9. p.)

CLIFTON H D. BUSINESS DATA SYSTEMS. A PRACTICAL GUIDE TO SYSTEM ANALYSIS AND DATA PROCESSING. PRENTICE -HALL INTERNATIONAL, INC, 1978.