Farah Arfiah Noerdin, author
2016
UI - Skripsi Membership
Savitri Ramaiah, author
Gramedia, 2004
Buku Teks
Bartlett, C. J.
Longman, 1994
Buku Teks SO
Hoyt, Robert S., author
Harcourt, Brace & World, 1966
Buku Teks
Santayana, George, author
Charles Scribner's Sons, 1945
Buku Teks