Emery, F., & Trist, E. (1973). Towards a special ecology: Contextual appreciation of the future in the presents. Plenum.
استشهاد بنمط شيكاغوEmery, F.E, و E.L Trist. Towards a Special Ecology: Contextual Appreciation of the Future in the Presents. London: Plenum, 1973.
MLA استشهادEmery, F.E, و E.L Trist. Towards a Special Ecology: Contextual Appreciation of the Future in the Presents. Plenum, 1973.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.