Cita APA

Hughes, B. B. 1. -., & Hughes, B. B. 1. -. (1993). International futures: Choices in the creation of a new world order. Boulder, Colorado: Westview Press.

Citación estilo Chicago

Hughes, Barry B. 1945 -, y Barry B. 1945 - Hughes. International Futures: Choices in the Creation of a New World Order. Boulder, Colorado: Westview Press, 1993.

Cita MLA

Hughes, Barry B. 1945 -, y Barry B. 1945 - Hughes. International Futures: Choices in the Creation of a New World Order. Boulder, Colorado: Westview Press, 1993.