Παραπομπή APA

Hehner, E. C. R. A. (1984). The logic of programming.

Παραπομπή Chicago Style

Hehner, Eric C R; Author. The Logic of Programming. New Delhi, Prentice-Hall of India, 1984.

Παραπομπή MLA

Hehner, Eric C R; Author. The Logic of Programming. 1984.