SpringerLink (Online service), Paun, G., & Salomaa, A. (1997). New Trends in Formal Languages: Control, Cooperation, and Combinatorics (1st ed. 1997.). Springer Berlin Heidelberg : Imprint: Springer. https://doi.org/10.1007/3-540-62844-4
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Gheorghe Paun, και Arto Salomaa. New Trends in Formal Languages: Control, Cooperation, and Combinatorics. 1st ed. 1997. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 1997. https://doi.org/10.1007/3-540-62844-4.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. New Trends in Formal Languages: Control, Cooperation, and Combinatorics. 1st ed. 1997. Springer Berlin Heidelberg : Imprint: Springer, 1997. https://doi.org/10.1007/3-540-62844-4.
