Davidsson, P. (1989). Continued Entrepreneurship and small firm growth. stockholm school of economic.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিDavidsson, Per. Continued Entrepreneurship and Small Firm Growth. stockholm school of economic, 1989.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিDavidsson, Per. Continued Entrepreneurship and Small Firm Growth. stockholm school of economic, 1989.