APA-referens (7:e uppl.)

Rigo, M. (2014). Formal languages, automata and numeration systems 2. ISTE : Wiley.

Chicago-referens (17:e uppl.)

Rigo, Michel. Formal Languages, Automata and Numeration Systems 2. London, England ; Hoboken, New Jersey: ISTE : Wiley, 2014.

MLA-referens (9:e uppl.)

Rigo, Michel. Formal Languages, Automata and Numeration Systems 2. ISTE : Wiley, 2014.