Yabes, L. Y. (1961). In larger freedom: Studies in Philippine life, thought and institutions. University of the Philippines.
Chicago-referens (17:e uppl.)Yabes, Leopoldo Yabes. In Larger Freedom: Studies in Philippine Life, Thought and Institutions. Quezon City: University of the Philippines, 1961.
MLA-referens (9:e uppl.)Yabes, Leopoldo Yabes. In Larger Freedom: Studies in Philippine Life, Thought and Institutions. University of the Philippines, 1961.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.