APA استشهاد

Haley, K. (1979). Journal of operational reserach society. O.R. Society.

استشهاد بنمط شيكاغو

Haley, K.B. Journal of Operational Reserach Society. Brimingham: O.R. Society, 1979.

MLA استشهاد

Haley, K.B. Journal of Operational Reserach Society. O.R. Society, 1979.