(1972). The farm workers' lettuce boycott. United States Catholic Conference.
Chicago Style aipamenaThe Farm Workers' Lettuce Boycott. Washington, D.C.: United States Catholic Conference, 1972.
MLA aipamenaThe Farm Workers' Lettuce Boycott. United States Catholic Conference, 1972.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.