APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

Hughes, Barry. International Futures: Choices in the Creation of a New World Order. Westview Press, 1993.