Παραπομπή σε μορφή APA (7η εκδ.)

Hartley, R. (1967). Theory of recursive functions and effective computability. McGraw - Hill Book Company.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hartley, Rogers. Theory of Recursive Functions and Effective Computability. New York: McGraw - Hill Book Company, 1967.

Παραπομπή σε μορφή MLA (8th εκδ.)

Hartley, Rogers. Theory of Recursive Functions and Effective Computability. McGraw - Hill Book Company, 1967.