The Ilocos and Cordillera provinces : a general physical and socio-economic profile /
by Romeo B. Cleto with Christoph J. Dehn, Hilaria J. Padilla.
- National Secretariat, Baguio City (Philippines) : Katinnulong Daguiti Umili It Akmang Teknolohiya (SIBAT), 1986.
- 265 p. : maps ; 22 cm.