Παραπομπή σε μορφή APA (7η εκδ.)

Hermes, H. (1969). Enumerability, decidability, computability: An introduction to the theory of recursive functions (2d rev. ed.). Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hermes, Hans. Enumerability, Decidability, Computability: An Introduction to the Theory of Recursive Functions. 2d rev. ed. Berlin ; New York: Springer, 1969.

Παραπομπή σε μορφή MLA (8th εκδ.)

Hermes, Hans. Enumerability, Decidability, Computability: An Introduction to the Theory of Recursive Functions. 2d rev. ed. Springer, 1969.