Hart, B. L., Hart, L. A., Thigpen, A. P., & Willits, N. H. (2014). Long-Term Health Effects of Neutering Dogs: Comparison of Labrador Retrievers with Golden Retrievers. Public Library of Science.
استشهاد بنمط شيكاغوHart, Benjamin L., Lynette A. Hart, Abigail P. Thigpen, و Neil H. Willits. Long-Term Health Effects of Neutering Dogs: Comparison of Labrador Retrievers With Golden Retrievers. Public Library of Science, 2014.
MLA استشهادHart, Benjamin L., Lynette A. Hart, Abigail P. Thigpen, و Neil H. Willits. Long-Term Health Effects of Neutering Dogs: Comparison of Labrador Retrievers With Golden Retrievers. Public Library of Science, 2014.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.