IE Business Cases. The Battle for Endesa (Part B). [s.n.].
Chicago Style (17th ed.) CitationIE Business Cases. The Battle for Endesa (Part B). [S.l.]: [s.n.].
MLA引文IE Business Cases. The Battle for Endesa (Part B). [s.n.].
警告：這些引文格式不一定是100％准確.
APA引文