APA

Frey R. G., Wellman C. H., . (2003). Acompanion to applied ethics. Malden (Massachusetts, Estados Unidos): Blackwell Pub.

Chicago

Frey R G, Wellman Christopher Heath, . 2003. Acompanion to applied ethics. Malden (Massachusetts, Estados Unidos): Blackwell Pub.

Harvard

Frey R. G., Wellman C. H., . (2003). Acompanion to applied ethics. Malden (Massachusetts, Estados Unidos): Blackwell Pub.

MLA

Frey R G, Wellman Christopher Heath, . Acompanion to applied ethics. Malden (Massachusetts, Estados Unidos): Blackwell Pub. 2003.