National Vocational Guidance Association, Harvard University. Graduate School of Education. Bureau of Vocational Guidance, & New England Vocational Guidance Association. (1924). The Vocational guidance magazine: Organ of the National Vocational Guidance Association. Published for the Association by the Bureau of Vocational Guidance, Graduate School of Education, Harvard University, with the coöperation of the New England Vocational Guidance Association.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)National Vocational Guidance Association, Harvard University. Graduate School of Education. Bureau of Vocational Guidance, و New England Vocational Guidance Association. The Vocational Guidance Magazine: Organ of the National Vocational Guidance Association. Cambridge, Mass.: Published for the Association by the Bureau of Vocational Guidance, Graduate School of Education, Harvard University, with the coöperation of the New England Vocational Guidance Association, 1924.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)National Vocational Guidance Association, et al. The Vocational Guidance Magazine: Organ of the National Vocational Guidance Association. Published for the Association by the Bureau of Vocational Guidance, Graduate School of Education, Harvard University, with the coöperation of the New England Vocational Guidance Association, 1924.