APA-referens (7:e uppl.)

Brett, J. P. (1993). Common property regimes among the Bontok of the Northern Philippine highlands and state policies. Cordillera Studies Center, University of the Philippines College Baguio.

Chicago-referens (17:e uppl.)

Brett, June Prill. Common Property Regimes Among the Bontok of the Northern Philippine Highlands and State Policies. Baguio City: Cordillera Studies Center, University of the Philippines College Baguio, 1993.

MLA-referens (9:e uppl.)

Brett, June Prill. Common Property Regimes Among the Bontok of the Northern Philippine Highlands and State Policies. Cordillera Studies Center, University of the Philippines College Baguio, 1993.