(1990). Socialism and Morality. Macmillan.
Chicago Style (17. basım) AtıfSocialism and Morality. London: Macmillan, 1990.
MLA (9th ed.) AtıfSocialism and Morality. Macmillan, 1990.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..
(1990). Socialism and Morality. Macmillan.
Chicago Style (17. basım) AtıfSocialism and Morality. London: Macmillan, 1990.
MLA (9th ed.) AtıfSocialism and Morality. Macmillan, 1990.