Howard, A. W. (1968). Teaching in middle schools. Scranton, Pennsylvania: International Textbook Company.
استشهاد بنمط شيكاغوHoward, Alvin W. Teaching in Middle Schools. Scranton, Pennsylvania: International Textbook Company, 1968.
MLA استشهادHoward, Alvin W. Teaching in Middle Schools. Scranton, Pennsylvania: International Textbook Company, 1968.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.