"Ética moderna Siglo XX." . . "Etica moderna - Siglo XX." . "Moral debate." . . "Lærebøger" . . "Ethiek." . . "Geschichte 1950-1990." . . "Ethics." . . "Ethics, Modern." . . "Ethical Theory." . . . . "Etik" . . "Ethik." . . "Ethics, Modern 20th century." . . "1900 - 1999" . . "Ética." . . "Filosofi" . . . . . . . . . . . . . . . "Lun li xue"@en . . . . "Ethics theory and contemporary issues"@en . . "Ethics : Theory and contemporary issues" . . . . . . . "Aufsatzsammlung" . . . . . "Ethics : theory & contemporary issues" . . . . . . . . . . "Ethics : theory and contemporary issues, concise edition"@en . "Ethics : theory and contemporary issues, concise edition" . "Lehrbuch" . . . "Learn to look analytically at more than one side of an issue before deciding for yourself what position you will take." . "伦理学" . . . . . . . . . . "Ethics : theory and contemporary issues"@en . "Ethics : theory and contemporary issues" . . . . . . . . . . . . . . . . . "Praktische Ethik." . .