Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

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

Lua MLA (9ú heag.)

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

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.