LEFTWICH, R. H. (1984). Study Guide To Accompany Economics Of Social Issues Ricard H. Leftwich ; Ansel M. Sharp. Bussiness Pulications.
Lua i Stíl Chicago (17ú heag.)LEFTWICH, Ricard H. Study Guide To Accompany Economics Of Social Issues Ricard H. Leftwich ; Ansel M. Sharp. Bussiness Pulications, 1984.
Lua MLA (8ú heag.)LEFTWICH, Ricard H. Study Guide To Accompany Economics Of Social Issues Ricard H. Leftwich ; Ansel M. Sharp. Bussiness Pulications, 1984.
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