Harbury, C. D. (1986). Descriptive economics: An Introduction to economic theory and the UK economy (7th ed.). Pitman.
Chicago-referens (17:e uppl.)Harbury, C. D. Descriptive Economics: An Introduction to Economic Theory and the UK Economy. 7th ed. London: Pitman, 1986.
MLA-referens (9:e uppl.)Harbury, C. D. Descriptive Economics: An Introduction to Economic Theory and the UK Economy. 7th ed. Pitman, 1986.
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