Kettle, Arnold
Hutchinson University Library , 1972
Buku Teks
Nevalainen, Terttu, author
Edinburgh University Press, 2006
Buku Teks
Griffths, Patrick, author
Edinburgh University Press, 2006
Buku Teks
Crabb, George
New York Grosset and Dunlap [t.th.]
Buku Teks
Valenzuela, Javier, author
New York Cambridge University Press, 2017
Buku Teks