SOELBERG, E. J. (1982). Intermediate Microeconomics Eric J. Soelberg. Business Publications.
Lua i Stíl Chicago (17ú heag.)SOELBERG, Eric J. Intermediate Microeconomics Eric J. Soelberg. Business Publications, 1982.
Lua MLA (8ú heag.)SOELBERG, Eric J. Intermediate Microeconomics Eric J. Soelberg. Business Publications, 1982.
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