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