VARSHNEY R L. (1983). MANAGERIAL ECONOMICS (8TH.). SULTAN CHAND AND SONS.
Lua i Stíl Chicago (17ú heag.)VARSHNEY R L. MANAGERIAL ECONOMICS. 8TH. NEW DELHI: SULTAN CHAND AND SONS, 1983.
Lua MLA (9ú heag.)VARSHNEY R L. MANAGERIAL ECONOMICS. 8TH. SULTAN CHAND AND SONS, 1983.
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