Hardy, Thomas, 1840-1928, author
Dell, 1962
Buku Teks
Dwi Wahyu Ariani, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2005
UI - Skripsi (Membership)
Goethe, Johann Wolfgang von, author
Peter Lang, 1998
Buku Teks
Hands, Timothy
Macmillan, 1989
Buku Teks
Goldratt, Elihayu M., author
North River Press, 1992
Buku Teks