Harlow,Chris. (1977). Innovation and productivity under nationalism: The first thirty years. George Allen & Unwin Ltd.
استشهاد بنمط شيكاغوHarlow,Chris. Innovation and Productivity Under Nationalism: The First Thirty Years. London: George Allen & Unwin Ltd, 1977.
MLA استشهادHarlow,Chris. Innovation and Productivity Under Nationalism: The First Thirty Years. George Allen & Unwin Ltd, 1977.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.