Philippines (Repulic) Bureau of Private Schools & Paulsen, L. (1952). Memoranda, bulletins, circulars as issued from March 1945 to December 1951: A compilation. Catholic Trade School.
Cita Chicago (17th ed.)Philippines (Repulic) Bureau of Private Schools i Luis Paulsen. Memoranda, Bulletins, Circulars as Issued from March 1945 to December 1951: A Compilation. [Manila: Catholic Trade School, 1952.
Cita MLA (9th ed.)Philippines (Repulic) Bureau of Private Schools i Luis Paulsen. Memoranda, Bulletins, Circulars as Issued from March 1945 to December 1951: A Compilation. Catholic Trade School, 1952.
Atenció: Aquestes cites poden no estar 100% correctes.