Keeley, Joseph C., author
McGraw-Hill Book Company, Inc. , 1950
Buku Teks
McPhee, Margaret, author
Allen & Unwin, 1993
Buku Referensi
Princeton University Press, 1962
Buku Teks
Schils, Rene, author
[Springer, ], 2012
eBooks
Orloff, Michael A., author
[, Springer], 2012
eBooks