Morrison, P. D. (1969). The career of the academic librarian, a study of the social origins, educational attainments, vocational experience, and personality characteristics of a group of American Academic librarians. American Library Association.
Chicago-referens (17:e uppl.)Morrison, Perry D. The Career of the Academic Librarian, a Study of the Social Origins, Educational Attainments, Vocational Experience, and Personality Characteristics of a Group of American Academic Librarians. Chicago: American Library Association, 1969.
MLA-referens (9:e uppl.)Morrison, Perry D. The Career of the Academic Librarian, a Study of the Social Origins, Educational Attainments, Vocational Experience, and Personality Characteristics of a Group of American Academic Librarians. American Library Association, 1969.