APA (7th ed.) Zitazioa

Lewis, H. R., & Papadimitriou, C. H. (1989). Elements of the theory of computation (2nd ed.). Prentice-Hall.

Chicago Style (17th ed.) Zitazioa

Lewis, Harry R., eta Christos H. Papadimitriou. Elements of the Theory of Computation. 2nd ed. New Delhi: Prentice-Hall, 1989.

MLA (9th ed.) Zitazioa

Lewis, Harry R., eta Christos H. Papadimitriou. Elements of the Theory of Computation. 2nd ed. Prentice-Hall, 1989.