John Trygve Soma. (1976). The U. S computer industry: An economic- legal analysis of its major growth factors. University Microfilms International.
Trích dẫn kiểu ChicagoJohn Trygve Soma. The U. S Computer Industry: An Economic- Legal Analysis of Its Major Growth Factors. University Microfilms International, 1976.
Deismireacht MLAJohn Trygve Soma. The U. S Computer Industry: An Economic- Legal Analysis of Its Major Growth Factors. University Microfilms International, 1976.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.