Saussure, Ferdinand de, author
Oxford University Press,, 2006
Buku Teks
Meyers, Alan, 1945-, author
Pearson Education, 2014
Buku Teks
Mahmoud, Shah, author
Betterway, 1992
Buku Referensi
Lester, James D.
Scott, Foresman and Company, 1967
Koleksi Publik
Lester, James D.
Scott, Foresman and Company, 1987
Buku Teks