Guareschi, Giovanni
Farrar, Straus & Young, 1953
Buku Teks SO
Blueprint, 1992
Buku Teks SO
Findlay, Bruce Allyn
Stanford University Press, 1952
Buku Teks
Findlay, Bruce Allyn
Stanford University Press, 1959
Buku Teks
Clark, Duncan
Gramedia Pustaka Utama, 2017
Buku Teks