Walpole, Ronald E.
Gramedia Pustaka Utama, 1992
Buku Teks
Walpole, Ronald E.
Gramedia Pustaka Utama, 1990
Buku Teks SO
Walpole, Ronald E.
Pustaka Utama, 1993
Buku Teks SO
Walpole, Ronald E.
Gramedia Pustaka Utama, 1995
Buku Teks SO
Walpole, Ronald E.
Gramedia, 1988
Buku Teks SO