Duldulao, M. D. (2005). The art collector's guidebook (Rev. ed.). University of Pangasinan.
Chicago Style (17th ed.) CitationDuldulao, Manuel D. The Art Collector's Guidebook. Rev. ed. Dagupan City: University of Pangasinan, 2005.
MLA (9th ed.) CitationDuldulao, Manuel D. The Art Collector's Guidebook. Rev. ed. University of Pangasinan, 2005.
Warning: These citations may not always be 100% accurate.