- ↑ Stevenson, James (July 16, 2012). "Ratchet & Clank Collection Hits August 28th With Sly Cooper Demo". PlayStation Blog. Retrieved December 10, 2012.
- ↑ Stevenson, James (May 29, 2014). "Ratchet & Clank HD Trilogy hits PS Vita in July". PlayStation Blog. Retrieved June 7, 2014.
- ↑ Cardona, Cristian (August 6, 2012). "Never Stop Playing With PlayStation Collections". PlayStation Blog. Retrieved December 10, 2012.
- ↑ Cardona, Cristian (August 28, 2012). "PlayStation Collections Available at Retail Today: God of War, inFAMOUS, Ratchet & Clank". PlayStation Blog. Retrieved December 10, 2012.