APA استشهاد

Holland,F A, & Watson,F A. (1974). Introduction to process economics (2.). John Wiley & Sons.

استشهاد بنمط شيكاغو

Holland,F A, و Watson,F A. Introduction to Process Economics. 2. London: John Wiley & Sons, 1974.

MLA استشهاد

Holland,F A, و Watson,F A. Introduction to Process Economics. 2. John Wiley & Sons, 1974.