APA (7e ed.) Bronvermelding

ORILIA LAWRENCE S. (1982). INTRODUCTION TO BUSINESS DATA PROCESSING (2ND.). MCGRAW-HILL.

Chicago (17e ed.) Bronvermelding

ORILIA LAWRENCE S. INTRODUCTION TO BUSINESS DATA PROCESSING. 2ND. SINGAPORE: MCGRAW-HILL, 1982.

MLA (9e ed.) Bronvermelding

ORILIA LAWRENCE S. INTRODUCTION TO BUSINESS DATA PROCESSING. 2ND. MCGRAW-HILL, 1982.