Silliman University. Development Center. (1976). Survey on socioeconomic and political profile of Negros Oriental.
Cita Chicago (17th ed.)Silliman University. Development Center. Survey on Socioeconomic and Political Profile of Negros Oriental. 1976.
Cita MLA (9th ed.)Silliman University. Development Center. Survey on Socioeconomic and Political Profile of Negros Oriental. 1976.
Atenció: Aquestes cites poden no estar 100% correctes.