Pojman, Louis P.
Wadsworth and Cengage Learning, 2012
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Andrew I. Cohen: Christopher Health Well,am
Blackwell, 2005
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Boss, Judith A.
McGraw-Hill, 2004
Buku Teks
Hutabarat, Nadia Carolina
Universitas Indonesia, 2015
UI - Skripsi (Membership)
Jimly Asshiddiqie, 1956-
Sinar Grafika, 2016
Buku Teks