APA (7 ম সংস্করণ) উদ্ধৃতি

Copeman, G. H. (1962). Laws of business management and the executive way of life. Business Publications.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Copeman, George Henry. Laws of Business Management and the Executive Way of Life. London: Business Publications, 1962.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Copeman, George Henry. Laws of Business Management and the Executive Way of Life. Business Publications, 1962.