Vogel, S. A. (1992). Educational alternatives for students with learning disabilities.
استشهاد بنمط شيكاغوVogel, Susan A. Educational Alternatives for Students with Learning Disabilities. New York, Springer-Verlag, 1992.
MLA استشهادVogel, Susan A. Educational Alternatives for Students with Learning Disabilities. 1992.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.