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Buku sakti Public Speaking. (2013).
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Gaya Chicago
Buku sakti Public Speaking.
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Jakarta ::
Visi Media,,
2013.
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Gaya MLA
Buku sakti Public Speaking.
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Visi Media,,
2013.
Monograf.
Gaya Turabian
Buku sakti Public Speaking.
Jakarta ::
Visi Media,,
2013.
Monograf.