Sison, G. C. Factors perceived to contribute to the success of some selected school libraries.
Chicago-referens (17:e uppl.)Sison, Gliceria C. Factors Perceived to Contribute to the Success of Some Selected School Libraries.
MLA-referens (9:e uppl.)Sison, Gliceria C. Factors Perceived to Contribute to the Success of Some Selected School Libraries.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.