ROBINSON, M. A. (1980). An Introduction To Economic Reasoning Marshall A. Robinson ; Herbert C. Morton And James D. Calderwood. Anchor Press.
Lua i Stíl Chicago (17ú heag.)ROBINSON, Marshall A. An Introduction To Economic Reasoning Marshall A. Robinson ; Herbert C. Morton And James D. Calderwood. Anchor Press, 1980.
Lua MLA (8ú heag.)ROBINSON, Marshall A. An Introduction To Economic Reasoning Marshall A. Robinson ; Herbert C. Morton And James D. Calderwood. Anchor Press, 1980.
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