Armstrong, Michael
Bhuana Ilmu Populer, 2003
Buku Teks
Armstrong, Michael
Gramedia, 2003
Buku Teks
Armstrong, Michael
Gramedia, 2003
Buku Teks
Cambridge University Press, 2015
eBooks
edited by Alexander Kostyuk, Markus Stiglbauer, Dimitry Govorun
Emerald, 2016
eBooks