Key, V. O. (Valdimer Orlando), 1908-1963, author
Thomas Y. Crowell, 1954
Buku Teks
American Heritage Publishing, 1960
Buku Teks
Alic, Margaret
The Women's Press , 1986
Buku Teks
Beek, Leo, author
Van Gorcum, 1985
Buku Referensi
A. Haryono, author
Gramedia Pustaka Utama, 1993
Buku Referensi