HARTMAN AMIR. (2004). RUTHLESS EXECUTION: WHAT BUSINESS LEADERS DO..WALL. PEARSON EDUCATION.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHARTMAN AMIR. RUTHLESS EXECUTION: WHAT BUSINESS LEADERS DO..WALL. DELHI: PEARSON EDUCATION, 2004.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHARTMAN AMIR. RUTHLESS EXECUTION: WHAT BUSINESS LEADERS DO..WALL. PEARSON EDUCATION, 2004.
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