Hasselfren, L., & Nilsson, J. S. (1990). Reflections on the role of basic sciences in third world countries. Stockholm: Sarec.
استشهاد بنمط شيكاغوHasselfren, Lennart., و Jan S. Nilsson. Reflections On the Role of Basic Sciences in Third World Countries. Stockholm: Sarec, 1990.
MLA استشهادHasselfren, Lennart., و Jan S. Nilsson. Reflections On the Role of Basic Sciences in Third World Countries. Stockholm: Sarec, 1990.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.