(1972). Bilan et perspectives. [S.l.]: [s.n.].
Chicago Style (17th ed.) CitationBilan Et Perspectives. [S.l.]: [s.n.], 1972.
MLA (8th ed.) CitationBilan Et Perspectives. [S.l.]: [s.n.], 1972.
Warning: These citations may not always be 100% accurate.