Philips. (1969). Philips in the developing countries. U.S.A: Philips in the Developing Countries.
استشهاد بنمط شيكاغوPhilips. Philips in the Developing Countries. U.S.A: Philips in the Developing Countries, 1969.
MLA استشهادPhilips. Philips in the Developing Countries. U.S.A: Philips in the Developing Countries, 1969.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.