APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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