Hass, E. (1949). The Socialist Labor Party and the internationals. New York: New York Labor News Company.
Citazione stile Chigago Style (17a edizione)Hass, Eric. The Socialist Labor Party and the Internationals. New York: New York Labor News Company, 1949.
Citatione MLA (8a ed.)Hass, Eric. The Socialist Labor Party and the Internationals. New York: New York Labor News Company, 1949.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.