Wegmann, Brenda
Mosaic I. A reading skills book / Brenda Wegmann, Miki Prijic Knezevic.
Random House, 1985
 Buku Teks SO
Cunningham, Sarah
Everyday listening and speaking : intermediate
Oxford University Press, 1994
 Buku Teks SO
Cunningham, Sarah
Everyday listening and speaking pre-intermediate
Oxford University Press , 1994
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O`Connell, Daniel C.
Dialogical genres: empractical and conversational listening and speaking
Springer, 2012
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Blass, Laurie
Mosaic II: a content-based writing book
McGraw-Hill, 1990
 Buku Teks SO