edited by T.E. Smith
George Allen and Unwin, 1973
Buku Teks
Princeton University Press, 1980
Buku Teks
Norbu, Dawa
Routledge, 1995
Buku Teks
Cammack, Paul Anthony, author
Macmillan, 1993
Buku Teks
edited by Chandra Talpade Mohanty, Ann Russo, Lourdes Torres
Indiana University Press, 1991
Buku Teks