(2005). National geographic: Stem cells how far will we go? Washington, DC: National Geographic Society.
استشهاد بنمط شيكاغوNational Geographic: Stem Cells How Far Will We Go? Washington, DC: National Geographic Society, 2005.
MLA استشهادNational Geographic: Stem Cells How Far Will We Go? Washington, DC: National Geographic Society, 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.