एपीए उद्धरण

Gomes, G. M. S., Pin, J. E., & Silva, P. V. (2002). Semigroups, algorithms, automata, and languages: Coimbra, Portugal, May-July 2001. River Edge, NJ: World Scientific.

शिकागो स्टाइल उद्धरण

Gomes, Gracinda M. S., Jean Eric Pin, और Pedro V. Silva. Semigroups, Algorithms, Automata, and Languages: Coimbra, Portugal, May-July 2001. River Edge, NJ: World Scientific, 2002.

एमएलए उद्धरण

Gomes, Gracinda M. S., Jean Eric Pin, और Pedro V. Silva. Semigroups, Algorithms, Automata, and Languages: Coimbra, Portugal, May-July 2001. River Edge, NJ: World Scientific, 2002.