Baula, J. (2007). Status and trends of the airline industry in the Philippines vis-a-vis selected foreign countries' "open skies" policy. [computer file].
استشهاد بنمط شيكاغوBaula, Jorge. Status and Trends of the Airline Industry in the Philippines Vis-a-vis Selected Foreign Countries' "open Skies" Policy. [computer File]. 2007.
MLA استشهادBaula, Jorge. Status and Trends of the Airline Industry in the Philippines Vis-a-vis Selected Foreign Countries' "open Skies" Policy. [computer File]. 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.