Pinpin, L. C. (1999). Indigenous environmental practices in Cordillera: An approach to environmental education.
Citação do estilo Chicago (17ª ed.)Pinpin, Lilibeth C. Indigenous Environmental Practices in Cordillera: An Approach to Environmental Education. 1999.
Citação MLA (9ª ed.)Pinpin, Lilibeth C. Indigenous Environmental Practices in Cordillera: An Approach to Environmental Education. 1999.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.