LEARNING ASSOCIATES. (1991). PROFILES: 1991 THE MBA DIRECTORY. LEARNING ASSOCIATES.
Chicago-čujuhus (17. p.)LEARNING ASSOCIATES. PROFILES: 1991 THE MBA DIRECTORY. MUMBAI 34: LEARNING ASSOCIATES, 1991.
MLA-čujuhus (9. p.)LEARNING ASSOCIATES. PROFILES: 1991 THE MBA DIRECTORY. LEARNING ASSOCIATES, 1991.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.