Allen, v. c., & ravensburg, N. G. v. (1994). a beginner's business book. marburg consult for self-help promotion.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিAllen, victor c., এবং Nicole Goler v. ravensburg. A Beginner's Business Book. marburg: marburg consult for self-help promotion, 1994.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিAllen, victor c., এবং Nicole Goler v. ravensburg. A Beginner's Business Book. marburg consult for self-help promotion, 1994.