(1985). Utility and rights. Blackwell.
Chicago Style (17. basım) AtıfUtility and Rights. Oxford: Blackwell, 1985.
MLA (9th ed.) AtıfUtility and Rights. Blackwell, 1985.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..
(1985). Utility and rights. Blackwell.
Chicago Style (17. basım) AtıfUtility and Rights. Oxford: Blackwell, 1985.
MLA (9th ed.) AtıfUtility and Rights. Blackwell, 1985.