edited by Yiorgos Apostolopoulos, Stella Leivadi and Andrew Yiannakis
Routledge, 1996
Buku Teks
Elisabeth Kals, Jurgen Maes, editors
[Springer-Verlag;;;, ], 2012
eBooks
Smith, Barry D.
Prentice-Hall, 1982
Buku Teks
John Wiley & Sons, 2000
Buku Teks
Higgs, Zana Rae
FA. Davis, 1985
Buku Teks