Lua APA (7ú heag.)

Cole, D. (1991). Annual editions: Microeconomics : 1991/92. The Dushkin Publication.

Lua i Stíl Chicago (17ú heag.)

Cole, Don. Annual Editions: Microeconomics : 1991/92. Guilford, Connecticut: The Dushkin Publication, 1991.

Lua MLA (9ú heag.)

Cole, Don. Annual Editions: Microeconomics : 1991/92. The Dushkin Publication, 1991.

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