Walpole, Ronald E.
Gramedia, 1988
Buku Teks
Walpole, Ronald E.
Gramedia Pustaka Utama, 1990
Buku Teks
Walpole, Ronald E.
Gramedia Pustaka Utama, 1992
Buku Teks
Walpole, Ronald E.
Gramedia Pustaka Utama, 1993
Buku Teks
Walpole, Ronald E.
Pustaka Utama, 1993
Buku Teks