Santos, E. B. (1969). Philippine wings: A short history of commercial aviation in the Philippines. Press & Publications Sub-Department, Public Relations Department, Philippine Air Lines.
Chicago Style (17th ed.) CitationSantos, Enrique B. Philippine Wings: A Short History of Commercial Aviation in the Philippines. [Makati, Rizal]: Press & Publications Sub-Department, Public Relations Department, Philippine Air Lines, 1969.
MLA (9th ed.) CitationSantos, Enrique B. Philippine Wings: A Short History of Commercial Aviation in the Philippines. Press & Publications Sub-Department, Public Relations Department, Philippine Air Lines, 1969.
Warning: These citations may not always be 100% accurate.