Alexander, R. J. Fourth International: From international left opposition to movement for the Fourth International. Het werk met onze zwaluwen.
Chicago Style (17th ed.) CitationAlexander, Robert J. "Fourth International: From International Left Opposition to Movement for the Fourth International." Het Werk Met Onze Zwaluwen .
MLA (8th ed.) CitationAlexander, Robert J. "Fourth International: From International Left Opposition to Movement for the Fourth International." Het Werk Met Onze Zwaluwen, .
Warning: These citations may not always be 100% accurate.