Stagg, M. W. (1977). Teodoro R. Yangco: Leading Filipino philanthropist and grand old man of commerce[microform]. Photoduplication Service. University of the Philippines Library.
Chicago-Zitierstil (17. Ausg.)Stagg, Manuel Wells. Teodoro R. Yangco: Leading Filipino Philanthropist and Grand Old Man of Commerce[microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
MLA-Zitierstil (9. Ausg.)Stagg, Manuel Wells. Teodoro R. Yangco: Leading Filipino Philanthropist and Grand Old Man of Commerce[microform]. Photoduplication Service. University of the Philippines Library, 1977.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.