FRAUSE BOB. (1994). ENVIRONMENTAL MARKETING IMPERATIVE. PROBUS PUBLICATIONS.
Chicago-čujuhus (17. p.)FRAUSE BOB. ENVIRONMENTAL MARKETING IMPERATIVE. CHICAGO: PROBUS PUBLICATIONS, 1994.
MLA-čujuhus (9. p.)FRAUSE BOB. ENVIRONMENTAL MARKETING IMPERATIVE. PROBUS PUBLICATIONS, 1994.
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