Crews, K. D. (2000). Copyright essentials for librarians and educators. American Library Association.
Chicago-стиль цитированияCrews, Kenneth D. Copyright Essentials for Librarians and Educators. Chicago, IL: American Library Association, 2000.
MLA-цитированиеCrews, Kenneth D. Copyright Essentials for Librarians and Educators. American Library Association, 2000.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.