ENVIRONMENTAL ETHICS AN INTRODUCTION TO ENVIRONMENTAL PHILOSOPHY THIRD EDITION
JOSEPH2001 年出版277 页ISBN:
THE LONGWOOD GUIDE TO WRITING BRIEF EDITION SECOND EDITION
RONALD F.LUNSFORD BILL BRIDGES2222 年出版758 页ISBN:0321091132
PHILOSOPHICAL ETHICS AN INTRODUCTION TO MORAL PHILOSOPHY THIRD EDITION
TOM2001 年出版400 页ISBN:0072297212
AN ELEMENTARY APPROACH TO FUNCTIONS SECOND EDITION
1978 年出版459 页ISBN:0070354014