Open University Course Team. (1973). Set axioms, set constructions sets and numbers. Unit 1-3. Open University Press.
استشهاد بنمط شيكاغوOpen University Course Team. Set Axioms, Set Constructions Sets and Numbers. Unit 1-3. Open University Press, 1973.
MLA استشهادOpen University Course Team. Set Axioms, Set Constructions Sets and Numbers. Unit 1-3. Open University Press, 1973.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.