Taylor, Grant
English conversation practise
McGraw-Hill, 1967
Buku Teks
Shin, Edysen
Applied Mandarin : Mandarin-Indonesian-English daily conversation
Kesaint Blanc, 2013
Multimedia
Pardiyono
Pasti bisa TOEFL : oractical strategy for the best scores
Yogyakarta : Andi Offset, 2005,
Buku Teks
Laski, Harold J.
A Grammar of Politics
George Allen and Unwin, 1948
Buku Teks
Laski, Harold J.
A Grammar of Politics
George Allen and Unwin, 1950
Buku Teks