Krug, Ronald S.
Springer-Verlag, 1992
Buku Teks
Krug, Ronald S.
Springer-Verlag, 1992
Buku Teks
Kirk-Greene, C. W. E.
Foulsham, 1992
Buku Teks
Marcus, George E.
The University of Chicago Press, 1986
Buku Teks
Siegel, Sidney
McGraw-Hill , 1988
Buku Teks