APA (7 ম সংস্করণ) উদ্ধৃতি

FRYER, D. H. (1956). Developing People in Industry: Principles and methods of training. Harper and Brothers.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

FRYER, Douglas H. Developing People in Industry: Principles and Methods of Training. Harper and Brothers, 1956.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

FRYER, Douglas H. Developing People in Industry: Principles and Methods of Training. Harper and Brothers, 1956.