Allen, v. c., & ravensburg, N. G. v. (1994). a beginner's business book. marburg consult for self-help promotion.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAllen, victor c., और Nicole Goler v. ravensburg. A Beginner's Business Book. marburg: marburg consult for self-help promotion, 1994.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAllen, victor c., और Nicole Goler v. ravensburg. A Beginner's Business Book. marburg consult for self-help promotion, 1994.