Ga, F. V. (2003). Evaluation of the domestic solid waste management system of Guihulngan, Negros Oriental, Philippines. University of the Philippines in the Visayas.
Chicago-referens (17:e uppl.)Ga, Filipinas V. Evaluation of the Domestic Solid Waste Management System of Guihulngan, Negros Oriental, Philippines. Miagao, Iloilo: University of the Philippines in the Visayas, 2003.
MLA-referens (9:e uppl.)Ga, Filipinas V. Evaluation of the Domestic Solid Waste Management System of Guihulngan, Negros Oriental, Philippines. University of the Philippines in the Visayas, 2003.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.