APA استشهاد

Keller, A. M. (1985). A First course in computer programming using Pascal.

استشهاد بنمط شيكاغو

Keller, Arthur M. A First Course in Computer Programming Using Pascal. New York, McGraw-Hill, 1985.

MLA استشهاد

Keller, Arthur M. A First Course in Computer Programming Using Pascal. 1985.