Vallejo, R. M. (1981). Philippine librarianship: A historical perspective. National Library.
Chicagoスタイル(17版)引用形式Vallejo, Rosa M. Philippine Librarianship: A Historical Perspective. Manila: National Library, 1981.
MLA(9版)引用形式Vallejo, Rosa M. Philippine Librarianship: A Historical Perspective. National Library, 1981.
警告: この引用は必ずしも正確ではありません.