Dokumentuaren aipamena
APA (7th ed.) Zitazioa
ebrary, Inc. (1987). Directions in engineering research: An assessment of opportunities and needs. National Academy Press.
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Chicago Style (17th ed.) Zitazioa
ebrary, Inc. Directions in Engineering Research: An Assessment of Opportunities and Needs. Washington, D.C.: National Academy Press, 1987.
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MLA (9th ed.) Zitazioa
ebrary, Inc. Directions in Engineering Research: An Assessment of Opportunities and Needs. National Academy Press, 1987.
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