APA (7 ম সংস্করণ) উদ্ধৃতি

ebrary, Inc. (1987). Directions in engineering research: An assessment of opportunities and needs. National Academy Press.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

ebrary, Inc. Directions in Engineering Research: An Assessment of Opportunities and Needs. Washington, D.C.: National Academy Press, 1987.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

ebrary, Inc. Directions in Engineering Research: An Assessment of Opportunities and Needs. National Academy Press, 1987.