PROTEL. (2000). Protel schematic design for windows.-- Ed. 1. Andi.
Chicago Style aipamenaPROTEL. Protel Schematic Design for Windows.-- Ed. 1. Yogyakarta: Andi, 2000.
MLA aipamenaPROTEL. Protel Schematic Design for Windows.-- Ed. 1. Andi, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.