Collard, L. (1970). Progressieve frontvorming = Rassemblement des progressistes. Brussel: Emile Vandervelde Instituut.
Chicago Style (17th ed.) CitationCollard, Leo. Progressieve Frontvorming = Rassemblement Des Progressistes. Brussel: Emile Vandervelde Instituut, 1970.
MLA (8th ed.) CitationCollard, Leo. Progressieve Frontvorming = Rassemblement Des Progressistes. Brussel: Emile Vandervelde Instituut, 1970.
Warning: These citations may not always be 100% accurate.