(1975). International guide to the academic market place: A statistical survey of subject interests in universities, libraries, and other academic institutions throughout five continents. Bowker ; International Book Information Services.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)International Guide to the Academic Market Place: A Statistical Survey of Subject Interests in Universities, Libraries, and Other Academic Institutions Throughout Five Continents. London [etc.] : London: Bowker ; International Book Information Services, 1975.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)International Guide to the Academic Market Place: A Statistical Survey of Subject Interests in Universities, Libraries, and Other Academic Institutions Throughout Five Continents. Bowker ; International Book Information Services, 1975.