Stern,Robert M, & Bruce,Schumacher. (1976). Price elasticities in international trade: An annotated bibliography. The Macmillan Press Ltd.
استشهاد بنمط شيكاغوStern,Robert M, و Bruce,Schumacher. Price Elasticities in International Trade: An Annotated Bibliography. London: The Macmillan Press Ltd, 1976.
MLA استشهادStern,Robert M, و Bruce,Schumacher. Price Elasticities in International Trade: An Annotated Bibliography. The Macmillan Press Ltd, 1976.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.