Quarta Internacional Posadista (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Quarta Internacional Posadista" in Portuguese language version.

refsWebsite

Global rank Portuguese rank

622^nd place

10^th place

google.com.br

books.google.com.br

Alexander, Robert Jackson (1991). International Trotskyism, 1929-1985: a documented analysis of the movement. [S.l.]: Duke University Press. pp. 659–664. ISBN 0-8223-1066-X
Alexander, Robert Jackson (1991). International Trotskyism, 1929-1985: a documented analysis of the movement. [S.l.]: Duke University Press. pp. 230–231. ISBN 0-8223-1066-X
Barberis, Peter; McHugh, John; Tyldesley, Mike (2002). Encyclopedia of British and Irish political organizations. [S.l.]: Continuum. 161 páginas. ISBN 978-0-8264-5814-8