BECKER WILLIAM E. (2006). TEACHING ECONOMICS: MORE ALTERNATIVES TO CHALK AND TALK. EDWARD ELGAR.
Lua i Stíl Chicago (17ú heag.)BECKER WILLIAM E. TEACHING ECONOMICS: MORE ALTERNATIVES TO CHALK AND TALK. U.K: EDWARD ELGAR, 2006.
Lua MLA (9ú heag.)BECKER WILLIAM E. TEACHING ECONOMICS: MORE ALTERNATIVES TO CHALK AND TALK. EDWARD ELGAR, 2006.
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