Cita APA (7th ed.)

Clifton, H. D. (1969). Systems analysis for business data processing. Business Books Limited.

Cita Chicago (17th ed.)

Clifton, Harold Dennis. Systems Analysis for Business Data Processing. London: Business Books Limited, 1969.

Cita MLA (9th ed.)

Clifton, Harold Dennis. Systems Analysis for Business Data Processing. Business Books Limited, 1969.