Vermon, R. (1972). The Economic Environment of International Business. Prentice-Hall of India.
استشهاد بنمط شيكاغوVermon, Raymond. The Economic Environment of International Business. New Jersey: Prentice-Hall of India, 1972.
MLA استشهادVermon, Raymond. The Economic Environment of International Business. Prentice-Hall of India, 1972.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.