LEFTWICH, R. H. (1984). Study Guide To Accompany Economics Of Social Issues Ricard H. Leftwich ; Ansel M. Sharp. Bussiness Pulications.
Čikaški stil citiranja (17. izdanje)LEFTWICH, Ricard H. Study Guide To Accompany Economics Of Social Issues Ricard H. Leftwich ; Ansel M. Sharp. Bussiness Pulications, 1984.
MLA način citiranja (8. izdanje)LEFTWICH, Ricard H. Study Guide To Accompany Economics Of Social Issues Ricard H. Leftwich ; Ansel M. Sharp. Bussiness Pulications, 1984.
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