Fitzpatrick, B. M., & Shaffer, H. B. (2007). Hybrid vigor between native and introduced salamanders raises new challenges for conservation. National Academy of Sciences.
استشهاد بنمط شيكاغوFitzpatrick, Benjamin M., و H. Bradley Shaffer. Hybrid Vigor between Native and Introduced Salamanders Raises New Challenges for Conservation. National Academy of Sciences, 2007.
MLA استشهادFitzpatrick, Benjamin M., و H. Bradley Shaffer. Hybrid Vigor between Native and Introduced Salamanders Raises New Challenges for Conservation. National Academy of Sciences, 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.