Bautista, A. P. (2003). Shell ornamentation of La Purisima Concepcion Church, Guiuan, Eastern Samar. National Commission for Culture and the Arts.
Chicago-viite (17. p.)Bautista, Angel P. Shell Ornamentation of La Purisima Concepcion Church, Guiuan, Eastern Samar. Manila: National Commission for Culture and the Arts, 2003.
MLA-viite (9. p.)Bautista, Angel P. Shell Ornamentation of La Purisima Concepcion Church, Guiuan, Eastern Samar. National Commission for Culture and the Arts, 2003.
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