Bernd Nilius, editors
[, Springer], 2012
eBooks
Richard A. Harvey, Michelle A. Clark, Richard Finkel, Jose A. Rey, Karen Whalen, editors
Wolters Kluwer , 2012
Buku Teks
edited by Gunter Muller and Stefan Petry
Wiley-Vch, 2004
eBooks
Edwards, N.A.
McGraw-Hill Kogakhusha, 1971
Buku Teks
Nation, James L., author
CRC Press, Taylor & Francis Group, 2008
Buku Teks