Citazione APA

Meridian Education Corporation, Beneficial Books and Video (Firm), & Duffy, J. E. (2004). Starting system service. Meridian Education Corp.

Stile di citazione Chicago

Meridian Education Corporation, Beneficial Books and Video (Firm), e James E. Duffy. Starting System Service. Lawrenceville, NJ: Meridian Education Corp, 2004.

Citazione MLA

Meridian Education Corporation, et al. Starting System Service. Meridian Education Corp, 2004.