H.Fern George. (1945). What is Vocational Education. Chicago: American Technical Society.
استشهاد بنمط شيكاغوH.Fern George. What Is Vocational Education. Chicago: American Technical Society, 1945.
MLA استشهادH.Fern George. What Is Vocational Education. Chicago: American Technical Society, 1945.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.