Tohutoro APA (7th ed.)
ebrary, Inc, & Wong, T. M. (2011). Niobium: Properties, production, and applications. Nova Science Publishers.
Tohutoru Kātū Chicago (17th ed.)
ebrary, Inc, me Thomas M. Wong. Niobium: Properties, Production, and Applications. New York: Nova Science Publishers, 2011.
Tohutoro MLA (9th ed.)
ebrary, Inc, me Thomas M. Wong. Niobium: Properties, Production, and Applications. Nova Science Publishers, 2011.
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