Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.