APA (7 ম সংস্করণ) উদ্ধৃতি

Humphreys, A. C. (1912). Lecture notes on some of the business features of engineering practice (Rev. and enl.). Department of Economics of Engineering, Stevens Institute of Technology.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Humphreys, Alexander Crombie. Lecture Notes on Some of the Business Features of Engineering Practice. Rev. and enl. Hoboken, N.J.: Department of Economics of Engineering, Stevens Institute of Technology, 1912.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Humphreys, Alexander Crombie. Lecture Notes on Some of the Business Features of Engineering Practice. Rev. and enl. Department of Economics of Engineering, Stevens Institute of Technology, 1912.