found: CIA World Factbook online:(country: Panama; nationality: Panamanian(s))
found: Dickson, P. Labels for locals, 2006(Panama (Republic of Panama): Panamanian)
found: IPUMS ancestry code conversions 1990 ancestry codes, via WWW, Mar. 30, 2016(Panamanian (Panama, Panamena, Panameno))
found: Wikipedia, Mar. 30, 2016(Panama; demonym: Panamanian) Spanish version (Panamá; demonym: panameño, panameña)
found: Names of countries and their capital cities including adjectives of nationality and currency units, 2001(Panama; adjective of nationality: Panamanian (English), panameño (Spanish))