APA (7. basım) Alıntı

(1989). Study on regional travel in the Philippines 1989. DOT/AIT.

Chicago Style (17. basım) Atıf

Study on Regional Travel in the Philippines 1989. [Quezon City]: DOT/AIT, 1989.

MLA (9th ed.) Atıf

Study on Regional Travel in the Philippines 1989. DOT/AIT, 1989.