L'Avenir colonial belge. [s.l.].
Chicago Style (17th ed.) CitationL'Avenir Colonial Belge. Léopoldville: [s.l.].
MLA引文L'Avenir Colonial Belge. [s.l.].
警告：这些引文格式不一定是100％准确.
APA引文
L'Avenir colonial belge. [s.l.].
Chicago Style (17th ed.) CitationL'Avenir Colonial Belge. Léopoldville: [s.l.].
MLA引文L'Avenir Colonial Belge. [s.l.].