Forstner, H., & Ballance, R. (1990). Competing in a global economy: An empirical study on specialization and trade in manufactures. Unwin Hyman.
Чикаго стиль цитування (17-те видання)Forstner, Helmut, та Robert Ballance. Competing in a Global Economy: An Empirical Study on Specialization and Trade in Manufactures. London ; Boston: Unwin Hyman, 1990.
Стиль цитування MLA (9-ме видання)Forstner, Helmut, та Robert Ballance. Competing in a Global Economy: An Empirical Study on Specialization and Trade in Manufactures. Unwin Hyman, 1990.