Carroll, Lewis
Gramedia Pustaka Utama, 2016
Buku Teks
Carroll, Lewis
Holt, Rinehart and Winston, 1961
Buku Teks
Herbert, Charles W.
Cengange Learning, 2011
Buku Teks SO
Abrar Gaffari
Fakultas Teknik Universitas Indonesia, 2009
UI - Skripsi Open
Steinbach, Alice
Transworld , 2001
Buku Teks