The Academy of Natural Sciences. Proceedings of Natural Sciences of Philadephia. The Academy of Natural Sciences.
استشهاد بنمط شيكاغوThe Academy of Natural Sciences. Proceedings of Natural Sciences of Philadephia. Philadephia: The Academy of Natural Sciences.
MLA استشهادThe Academy of Natural Sciences. Proceedings of Natural Sciences of Philadephia. The Academy of Natural Sciences.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.