Prunty, Sean
Springer Nature, 2019
eBooks
edited by J. Brandrup, E.H. Immergut
John Wiley & Sons, 1989
Buku Referensi
Rempp, Paul
Huthing and Verlag Basel , 1991
Buku Teks
Koningsveld, R.
Oxrord University Press, 2008
Buku Teks
Stevens, Malcolm P.
Oxford Univertity Press, 2009
Buku Teks