Samovar, Larry A., author
Humanika, 2010
Buku Teks
Samovar, Larry A., author
Wadsworth, Thomson Learning, 2000
Buku Teks
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Wadsworth and Cengage Learning, 2013
Buku Teks SO
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Routledge, Taylor & Francis Group, 2018
Buku Teks
Samovar, Larry A., author
Wadsworth and Cengage Learning, 2010
Buku Teks