Sommers, Christina
Harcourt Brace College Pub., 1997
Buku Teks
Whiteman, Natasha
Springer, 2012
eBooks
Battaly, Heather D., 1969-
Polity, 2015
Buku Teks
Ginan Aulia Rahman
2018
UI - Skripsi Membership
by James H. Billington ... [and others]; editor, Richard John Neuhaus
William B. Eerdmans, 1986
Buku Teks