(1986). Coastal profile of Lingayen Gulf. Institute of Social Woirk and Community Development, University of the Philippines.
Chicago-referens (17:e uppl.)Coastal Profile of Lingayen Gulf. Quezon City: Institute of Social Woirk and Community Development, University of the Philippines, 1986.
MLA-referens (9:e uppl.)Coastal Profile of Lingayen Gulf. Institute of Social Woirk and Community Development, University of the Philippines, 1986.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.