Bengzon, B. C. (1999). How can tourism investments be enhanced in the Philippinesn.
Chicago Style aipamenaBengzon, Benito C. How Can Tourism Investments Be Enhanced in the Philippinesn. 1999.
MLA aipamenaBengzon, Benito C. How Can Tourism Investments Be Enhanced in the Philippinesn. 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.