Parker, G. (1981). The logic of unity: A geography of the European Economic Community (3d ed.). Longman.
Цитирование в стиле Чикаго (17-е изд.)Parker, Geoffrey. The Logic of Unity: A Geography of the European Economic Community. 3d ed. Longman, 1981.
Цитирование MLA (9-е изд.)Parker, Geoffrey. The Logic of Unity: A Geography of the European Economic Community. 3d ed. Longman, 1981.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.