Jos, Mullie, author
The Bureau of Engraving and Printing, 1932
Buku Teks
Mackey, William Francis, author
Longman, 1978
Buku Teks
Mackey, William Francis, author
Longman, 1966
Buku Teks
Adeline Elizabeth, author
2018
UI - Skripsi (Membership)
Syarifuddin, author
Absolute Media, 2018
Buku Teks