Philippines. University. University at Los Baqos. (1975). Research for development. [s.n.].
Chicago-referens (17:e uppl.)Philippines. University. University at Los Baqos. Research for Development. College, Laguna: [s.n.], 1975.
MLA-referens (9:e uppl.)Philippines. University. University at Los Baqos. Research for Development. [s.n.], 1975.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.