Παραπομπή APA

Singer, P. (1993). A Companion to ethics (With corrections.). Oxford, UK ; Cambridge, Mass., USA: Blackwell Reference.

Παραπομπή Chicago Style

Singer, Peter. A Companion to Ethics. With corrections. Oxford, UK ; Cambridge, Mass., USA: Blackwell Reference, 1993.

Παραπομπή MLA

Singer, Peter. A Companion to Ethics. With corrections. Oxford, UK ; Cambridge, Mass., USA: Blackwell Reference, 1993.

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