APA-Zitierstil (7. Ausg.)

Cifra, E. M. O. (1977). Some ecological problems involved in the implementation of the barrio charter in Central Luzon [microform]. Photoduplication Service. University of the Philippines Library.

Chicago-Zitierstil (17. Ausg.)

Cifra, Evelyn M. Omallao. Some Ecological Problems Involved in the Implementation of the Barrio Charter in Central Luzon [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.

MLA-Zitierstil (9. Ausg.)

Cifra, Evelyn M. Omallao. Some Ecological Problems Involved in the Implementation of the Barrio Charter in Central Luzon [microform]. Photoduplication Service. University of the Philippines Library, 1977.