Miley, Karla Krogsrud, 1942-, author
Pearson, 2014
Buku Teks
Hamilton, Gordon, author
Uitgeverij Ploegsma, 1952
Buku Teks
Martin, Ruben, author
Learning Matters, 2010
Buku Teks
Morales, Armando, author
Allyn and Bacon, 1983
Buku Teks
O`Sullivan, Terence, author
Macmillan, 1999
Buku Teks