Haga, Y. (1972). Political aspect of social democracy. Solidaridad Publishing House.
Čikaški stil citiranja (17. izdanje)Haga, Yasushi. Political Aspect of Social Democracy. Manila: Solidaridad Publishing House, 1972.
MLA način citiranja (9. izdanje)Haga, Yasushi. Political Aspect of Social Democracy. Solidaridad Publishing House, 1972.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.