Routledge , 1998
Buku Teks
Zerwekh, JoAnn Graham, author
W.B. Saunders , 1994
Buku Teks
Anderson, George, author
Oxford University Press, 2012
Buku Teks
Ellian, George, author
Sijthoff & Noordhoff, 1979
Buku Teks
Mohammad Hatta, 1902-1980, author
Fasco, 1957
Buku Teks