Williamson, John B.
[Publisher not identified], 1977
Buku Teks
Shively, W. Phillips, 1942-
[publisher not identified], [date of publication not identified]
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Shively, W. Phillips, 1942-
Pearson, 2005
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Bellah, Robert Neelly
Basic Books, 1964
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Brinkmann, Svend
Sage Publications , 2015
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