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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)International 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.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)International 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.