Ullberg, Eskil, author
[, Springer], 2012
eBooks
Sibley, J.F., author
Aslib, 1991
Buku Referensi
White, A. Blanco
Sweet and Maxwell, 1970
Buku Teks
Cornish, W.R. (William Rodolph), 1937-, author
Sweet and Maxwell, 2007
Buku Referensi
Kintner, Earl W., author
Macmillan, 1975
Buku Teks