Citação norma APA

University of the Philippines in the Visayas, Department of Environment and Natural Resources, & United Nation Development Programme. (1993). Environmental planning and maintenace for sustainable development: Executive summary. University of the Philippines in the Visayas.

Citação norma Chicago

University of the Philippines in the Visayas, Department of Environment and Natural Resources, and United Nation Development Programme. Environmental Planning and Maintenace for Sustainable Development: Executive Summary. Miagao, Iloilo, Philippines: University of the Philippines in the Visayas, 1993.

Citação norma MLA

University of the Philippines in the Visayas, et al. Environmental Planning and Maintenace for Sustainable Development: Executive Summary. University of the Philippines in the Visayas, 1993.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.