APA استشهاد

machol, R. C., & Machol, R. C. (1976). Elementary systems mathematics: Linear programming for business and the social sciences. Mc-Graw hill.

استشهاد بنمط شيكاغو

machol, Robert C., و Robert C. Machol. Elementary Systems Mathematics: Linear Programming for Business and the Social Sciences. Tokyo: Mc-Graw hill, 1976.

MLA استشهاد

machol, Robert C., و Robert C. Machol. Elementary Systems Mathematics: Linear Programming for Business and the Social Sciences. Mc-Graw hill, 1976.