Citazione Stile APA (7a Edizione)

(1997). Study on regional travel in the Philippines 1997: Regional analysis. DOT/AIT.

Citazione stile Chigago Style (17a edizione)

Study on Regional Travel in the Philippines 1997: Regional Analysis. [Quezon City]: DOT/AIT, 1997.

Citatione MLA (9a ed.)

Study on Regional Travel in the Philippines 1997: Regional Analysis. DOT/AIT, 1997.