BHUSHAN Y K. (1985). FUNDAMENTALS OF BUSINESS ORGANIZATION & MANAGEMENT (9TH.). SULTAN CHAND AND SONS.
Lua i Stíl Chicago (17ú heag.)BHUSHAN Y K. FUNDAMENTALS OF BUSINESS ORGANIZATION & MANAGEMENT. 9TH. DELHI: SULTAN CHAND AND SONS, 1985.
Lua MLA (9ú heag.)BHUSHAN Y K. FUNDAMENTALS OF BUSINESS ORGANIZATION & MANAGEMENT. 9TH. SULTAN CHAND AND SONS, 1985.
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