Billett, Michael, author
Pergamon Press , 1979
Buku Teks
Nguyen-Schafer, Hung, author
Springer Nature, 2019
eBooks
Cameron, Alastair, author
Ellis Horwood, 1981
Buku Teks
William A. Gross ... [and others]
John Wiley & Sons, 1980
Buku Teks
Lansdown, A.R., author
Pergamon Press, 1982
Buku Referensi