Jopie Jusuf, author
Gramedia Pustaka Utama, 2006
Buku Teks
edited by L. Edward Purcell
Prentice-Hall, 1991
Buku Referensi
Roeslan Abdulgani, author
Prapanca Publishing House, 1964
Buku Teks
Williams, Edward Thomas, author
George G. Harrap, 1923
Buku Teks
Guzowski, Mary, author
McGraw-Hill, 2000
Buku Teks