McGraw-Hill Book Comp., 1971
Buku Teks
Tianyuan Xiao, editor
[, Springer-Verlag], 2012
eBooks
edited by A.H. Dani and J.P. Mohen
Routledge , 1996
Buku Referensi
Pugh, Emerson M.
Addison-Wesley Pub. Co., 1960
Buku Teks
Blau, Peter M., author
Routledge & Kegan Paul, 1966
Buku Teks