Stapleton, J.; Poore, R. S. (2011). "Tokenization and other methods of security for cardholder data". Information Security Journal: A Global Perspective. 20 (2): 91–99. doi:10.1080/19393555.2011.560923.
Ogigau-Neamtiu, F. (2016). "Tokenization as a data security technique". Regional Department of Defense Resources Management Studies. Zeszyty Naukowe AON. Brasov, Romania: Akademia Sztuki Wojennej. 2 (103): 124–135. ISSN0867-2245.