Winardi, author
Rineka Cipta, 1990
Buku Teks
Baerwald, Friedrich
Fordham University Press, 1960
Buku Klasik
Viale, Riccardo
Springer, 2012
eBooks
Cambridge University Press , 2008
Buku Teks
edited by Luca Fiorito, Scott Scheall, Carlos Eduardo Suprinyak
Emerald, 2016
eBooks