SpringerLink (Online service), Mycielski, J., Rozenberg, G., & Salomaa, A. (1997). Structures in Logic and Computer Science: A Selection of Essays in Honor of A. Ehrenfeucht (1st ed. 1997.). Springer Berlin Heidelberg : Imprint: Springer. https://doi.org/10.1007/3-540-63246-8
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Jan Mycielski, Grzegorz Rozenberg, και Arto Salomaa. Structures in Logic and Computer Science: A Selection of Essays in Honor of A. Ehrenfeucht. 1st ed. 1997. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 1997. https://doi.org/10.1007/3-540-63246-8.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Structures in Logic and Computer Science: A Selection of Essays in Honor of A. Ehrenfeucht. 1st ed. 1997. Springer Berlin Heidelberg : Imprint: Springer, 1997. https://doi.org/10.1007/3-540-63246-8.
