Leventhal, Lance A., author
Prentice-Hall, 1987
Buku Teks
Leventhal, Lance A
Prentice-Hall, 1987
Buku Teks
Leventhal, Lance A., author
Prentice-Hall, 1982
Buku Teks
Leventhal, Lance A., author
Prentice-Hall, 1981
Buku Teks
Derenzo, Stephen E., author
Prentice-Hall, 1990
Buku Teks