Master, Olga
University of California Press, 1985
Buku Teks
Trungpa, Chogyam, author
Shambhala, 2003
Buku Teks
Khandekar, D.C., author
World Scientific, 1993
Buku Teks
Schulman, Lawrence S., author
John Wiley & Sons, 1981
Buku Teks
Wolfsfeld, Gadi, author
Cambridge University Press, 2003
Buku Teks