LEARNING ASSOCIATES. (1991). PROFILES: 1991 THE MBA DIRECTORY. LEARNING ASSOCIATES.
Chicago-referens (17:e uppl.)LEARNING ASSOCIATES. PROFILES: 1991 THE MBA DIRECTORY. MUMBAI 34: LEARNING ASSOCIATES, 1991.
MLA-referens (9:e uppl.)LEARNING ASSOCIATES. PROFILES: 1991 THE MBA DIRECTORY. LEARNING ASSOCIATES, 1991.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.