Lash, Scott, author
Kanisius, 2004
Buku Teks
Lubis, Akhyar Yusuf, author
RajaGrafindo Persada, 2016
Buku Teks
Kumar, Krishan, author
Blackwell, 1996
Buku Teks
Kumar, Krishan, author
Blackwell, 1996
Buku Teks
The University of the Philippines Press, 2004
Buku Teks