Allen, v. c., & ravensburg, N. G. v. (1994). a beginner's business book. marburg consult for self-help promotion.
Chicago-čujuhus (17. p.)Allen, victor c., juo Nicole Goler v. ravensburg. A Beginner's Business Book. marburg: marburg consult for self-help promotion, 1994.
MLA-čujuhus (9. p.)Allen, victor c., juo Nicole Goler v. ravensburg. A Beginner's Business Book. marburg consult for self-help promotion, 1994.