Gacad, F. M. (1988). A preliminary study of the elderly population in the Ilocos: (component A. Cordillera Studies Center, University of the Philippines Baguio.
Citace podle Chicago (17th ed.)Gacad, Fe Marie. A Preliminary Study of the Elderly Population in the Ilocos: (component A. Baguio City: Cordillera Studies Center, University of the Philippines Baguio, 1988.
Citace podle MLA (9th ed.)Gacad, Fe Marie. A Preliminary Study of the Elderly Population in the Ilocos: (component A. Cordillera Studies Center, University of the Philippines Baguio, 1988.
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