Hopf, H. A., & Link, H. C. (1946). People and books: A study of reading and book-buying habits. Book Industry Committee, Book Manufacturers' Institute.
Chicago-Zitierstil (17. Ausg.)Hopf, Harry Arthur, und Henry Charles Link. People and Books: A Study of Reading and Book-buying Habits. New York: Book Industry Committee, Book Manufacturers' Institute, 1946.
MLA-Zitierstil (9. Ausg.)Hopf, Harry Arthur, und Henry Charles Link. People and Books: A Study of Reading and Book-buying Habits. Book Industry Committee, Book Manufacturers' Institute, 1946.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.