Weiss, Leonard W., author
John Wiley & Sons, 1981
Buku Teks
Nankivell, Owen
Avebury, 19965
Buku Teks
Kohler, Heinz
Holt, Rinehart and Winston, 1968
Buku Teks
edited by Savvas Katsikides, Hardy Hanappi
Springer, 2016
Buku Teks
S.l. s.n. s.a,
Buku Teks