HIGGINS, J. M., & HIGGINS, J. M. (1982). Human Relations Concepts And Skills James M. Higgins. Random House.
Čikaški stil citiranja (17. izdanje)HIGGINS, James M., i James M. HIGGINS. Human Relations Concepts And Skills James M. Higgins. Random House, 1982.
MLA način citiranja (8. izdanje)HIGGINS, James M., i James M. HIGGINS. Human Relations Concepts And Skills James M. Higgins. Random House, 1982.
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