APA-viite (7. p.)

Pinpin, L. C., & Rabago, L. M. (1999). Indigenous environmental practices in the Cordillera: An approach to environmental education. College of Education, University of the Philippines Diliman.

Chicago-viite (17. p.)

Pinpin, Lilibeth C., ja Lilia M. Rabago. Indigenous Environmental Practices in the Cordillera: An Approach to Environmental Education. Quezon City: College of Education, University of the Philippines Diliman, 1999.

MLA-viite (9. p.)

Pinpin, Lilibeth C., ja Lilia M. Rabago. Indigenous Environmental Practices in the Cordillera: An Approach to Environmental Education. College of Education, University of the Philippines Diliman, 1999.