editor, Egon Stahl
Springer-Verlag, 1969
Buku Referensi
editor, Joseph Sherma, Bernard Fried
Marcel Dekker, 2003
Buku Referensi
edited by Karel Macek
Elsevier, 1972
Buku Teks
Touchstone, Joseph C.
John Wiley & Sons, 1983
Buku Teks
Svendsen, A. Baerheim
Elsevier , 1983
Buku Teks