University of the Philippines College Baguio. Cordillera Studies Center & Prill-Brett, J. (1994). A Comparative study of agricultural commercialization in selected highland communities of the Cordillera-Ilocos region. Cordillera Studies Center, University of the Philippines College Baguio.
Čikaški stil citiranja (17. izdanje)University of the Philippines College Baguio. Cordillera Studies Center i June Prill-Brett. A Comparative Study of Agricultural Commercialization in Selected Highland Communities of the Cordillera-Ilocos Region. Baguio City: Cordillera Studies Center, University of the Philippines College Baguio, 1994.
MLA način citiranja (9. izdanje)University of the Philippines College Baguio. Cordillera Studies Center i June Prill-Brett. A Comparative Study of Agricultural Commercialization in Selected Highland Communities of the Cordillera-Ilocos Region. Cordillera Studies Center, University of the Philippines College Baguio, 1994.