SPENCER DONALD D. (1982). DATA PROCESSING: AN INTRODUCTION (2ND.). CHARLES E MERRILL PUBLISHING COMPANY.
Citazione stile Chigago Style (17a edizione)SPENCER DONALD D. DATA PROCESSING: AN INTRODUCTION. 2ND. LONDON: CHARLES E MERRILL PUBLISHING COMPANY, 1982.
Citatione MLA (9a ed.)SPENCER DONALD D. DATA PROCESSING: AN INTRODUCTION. 2ND. CHARLES E MERRILL PUBLISHING COMPANY, 1982.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.