Magno, R. A., & Skjolberg, H. (1971). Tourism in Northern Luzon. s.n.
Chicago Style (17th ed.) CitationMagno, Roque Arrieta, and Hermund Skjolberg. Tourism in Northern Luzon. [S.l: s.n, 1971.
MLA (9th ed.) CitationMagno, Roque Arrieta, and Hermund Skjolberg. Tourism in Northern Luzon. s.n, 1971.
Warning: These citations may not always be 100% accurate.