LEARNING ASSOCIATES. (1991). PROFILES: 1991 THE MBA DIRECTORY. LEARNING ASSOCIATES.
Čikaški stil citiranja (17. izdanje)LEARNING ASSOCIATES. PROFILES: 1991 THE MBA DIRECTORY. MUMBAI 34: LEARNING ASSOCIATES, 1991.
MLA način citiranja (9. izdanje)LEARNING ASSOCIATES. PROFILES: 1991 THE MBA DIRECTORY. LEARNING ASSOCIATES, 1991.
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