Shear, R. H., & Kelley, T. E. (2003). A Researcher's Guide to Patents. The American Society for Plant Biologists.
استشهاد بنمط شيكاغوShear, Richard H., و Thomas E. Kelley. A Researcher's Guide To Patents. The American Society for Plant Biologists, 2003.
MLA استشهادShear, Richard H., و Thomas E. Kelley. A Researcher's Guide To Patents. The American Society for Plant Biologists, 2003.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.