APA (7e ed.) Bronvermelding

CLIFTON H D. (1988). BUSINESS DATA SYSTEMS: A PRACTICAL GUIDE TO SYSTEMS ANALYSIS AND DATA PROCESSING (3.). PRENTICE -HALL INTERNATIONAL, INC.

Chicago (17e ed.) Bronvermelding

CLIFTON H D. BUSINESS DATA SYSTEMS: A PRACTICAL GUIDE TO SYSTEMS ANALYSIS AND DATA PROCESSING. 3. NEW JERSEY,USA: PRENTICE -HALL INTERNATIONAL, INC, 1988.

MLA (9e ed.) Bronvermelding

CLIFTON H D. BUSINESS DATA SYSTEMS: A PRACTICAL GUIDE TO SYSTEMS ANALYSIS AND DATA PROCESSING. 3. PRENTICE -HALL INTERNATIONAL, INC, 1988.