کمودور وی‌آی‌سی-۲۰ (Persian Wikipedia)

Strasma, Jim (April 1986). "Commodore Clinic". RUN (به انگلیسی) (28): 104-105. Retrieved June 6 2016. {{cite journal}}: Check date values in: |تاریخ بازبینی= (help)
Kevelson, Morton (January 1986). "Speech Synthesizers for the Commodore Computers / Part II" (به انگلیسی). Ahoy!. p. 32. Retrieved June 6 2016. {{cite news}}: Check date values in: |تاریخ بازبینی= (help)
"Commodore: New Products, New Philosophies" (به انگلیسی). Kilobaud. September 1980. p. 26-28. Retrieved June 6 2016. {{cite news}}: Check date values in: |تاریخ بازبینی= (help)
Shaughnessy, Joseph (October 1986). "Commodore Power". RUN (به انگلیسی) (34): 58-59. Retrieved June 6 2016. {{cite journal}}: Check date values in: |تاریخ بازبینی= (help)

commodore.ca

Matthews, Ian (March 13, 2003). "Commodore VIC-20 History" (به انگلیسی). Commodore.ca. Archived from the original on 14 February 2015. Retrieved June 6 2016. {{cite web}}: Check date values in: |بازبینی= (help)

"Home Video Game Console Sound Chip Round-Up" (به انگلیسی). gweep.net. Retrieved June 6 2016. {{cite web}}: Check date values in: |بازبینی= (help)

Tomczyk, Michael. "The Home Computer Wars" (به انگلیسی). Archived from the original on April 3 2011. Retrieved June 6 2016. {{cite web}}: Check date values in: |بازبینی= و |تاریخ بایگانی= (help)

"Commodore VIC-20" (به انگلیسی). OLD-COMPUTERS.COM. Archived from the original on 2 February 2009. Retrieved June 6 2016. {{cite web}}: Check date values in: |بازبینی= (help)

"MESS VIC20/VC20 (German) PAL" (به انگلیسی). Retrieved June 6 2016. {{cite web}}: Check date values in: |بازبینی= (help)

Matthews, Ian (March 13, 2003). "Commodore VIC-20 History" (به انگلیسی). Commodore.ca. Archived from the original on 14 February 2015. Retrieved June 6 2016. {{cite web}}: Check date values in: |بازبینی= (help)
"Commodore VIC-20" (به انگلیسی). OLD-COMPUTERS.COM. Archived from the original on 2 February 2009. Retrieved June 6 2016. {{cite web}}: Check date values in: |بازبینی= (help)
Tomczyk, Michael. "The Home Computer Wars" (به انگلیسی). Archived from the original on April 3 2011. Retrieved June 6 2016. {{cite web}}: Check date values in: |بازبینی= و |تاریخ بایگانی= (help)