Bacovia, George
Bukarest Minerva 1980
Buku Teks
King Fahd Holy Qur-'an Printing Complex, 1990
Buku Referensi
Harvard University Press, 1947
Buku Teks
Radhakrishnan, S. (Sarvepalli), 1888-1975, author
George Allen and Unwin, 1948
Buku Teks
Irving, Washington
Dell Publishing Co., Inc., 1965
Buku Teks