Budd, G. E. (2013). At the Origin of Animals: The Revolutionary Cambrian Fossil Record. Bentham Science Publishers.
استشهاد بنمط شيكاغوBudd, Graham E. At the Origin of Animals: The Revolutionary Cambrian Fossil Record. Bentham Science Publishers, 2013.
MLA استشهادBudd, Graham E. At the Origin of Animals: The Revolutionary Cambrian Fossil Record. Bentham Science Publishers, 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.