National productivity council. (1962). Sugar industry in philippines, Hawai, USA and Puerto Rico. National productivity council.
استشهاد بنمط شيكاغوNational productivity council. Sugar Industry in Philippines, Hawai, USA and Puerto Rico. New Delhi: National productivity council, 1962.
MLA استشهادNational productivity council. Sugar Industry in Philippines, Hawai, USA and Puerto Rico. National productivity council, 1962.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.