Celis, L. R. (1977). A survey of academic chief librarians in the Philippines. University of the Philippines Library.
Chicago-Zitierstil (17. Ausg.)Celis, Lydia Ramos. A Survey of Academic Chief Librarians in the Philippines. Quezon City: University of the Philippines Library, 1977.
MLA-Zitierstil (9. Ausg.)Celis, Lydia Ramos. A Survey of Academic Chief Librarians in the Philippines. University of the Philippines Library, 1977.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.