Não informado. (1991). Theoretical computer science. North Holland Publishing.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Theoretical Computer Science. Amsterdam: North Holland Publishing, 1991.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Theoretical Computer Science. North Holland Publishing, 1991.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.