International Vocational Education and Training Association. (1993). International journal of vocational education and training: Official publication of the International Vocational Education and Training Association. International Vocational Education and Training Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रInternational Vocational Education and Training Association. International Journal of Vocational Education and Training: Official Publication of the International Vocational Education and Training Association. Westerville, OH: International Vocational Education and Training Association, 1993.
एमएलए (9वां संस्करण) प्रशस्ति पत्रInternational Vocational Education and Training Association. International Journal of Vocational Education and Training: Official Publication of the International Vocational Education and Training Association. International Vocational Education and Training Association, 1993.