APA استشهاد

Hellerman, H., & Conroy, T. F. (1975). Computer System Performance. Mc Graw - Hill.

استشهاد بنمط شيكاغو

Hellerman, Herbert, و Thomas F. Conroy. Computer System Performance. Tokyo: Mc Graw - Hill, 1975.

MLA استشهاد

Hellerman, Herbert, و Thomas F. Conroy. Computer System Performance. Mc Graw - Hill, 1975.