Pinpin, L. C. (1999). Indigenous environmental practices in Cordillera: An approach to environmental education.
Citação norma ChicagoPinpin, Lilibeth C. Indigenous Environmental Practices in Cordillera: An Approach to Environmental Education. 1999.
Citação norma MLAPinpin, 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.