Owen, N. G. Trends and directions of research on Philippine history: An informal essay.
Chicago Style (17th ed.) CitationOwen, Norman G. Trends and Directions of Research on Philippine History: An Informal Essay. Philippine Center for Advanced Study, UP.
MLA (9th ed.) CitationOwen, Norman G. Trends and Directions of Research on Philippine History: An Informal Essay.
Warning: These citations may not always be 100% accurate.