Levi, Primo, author
David Campbell Publishers, 1995
Buku Teks
edited by V.A. Filov, A.L. Bandman and B.A. Ivin
Ellis Horwood, 1993
Buku Teks
Zudin, Yuri B., author
Springer, 2011
eBooks
Chin Long Chiang
Robert E. Krieger Publ., 1984
Buku Teks
Paris : UNESCO
Majalah, Jurnal, Buletin