Lee, Jin-kyung, author
Greenbee, 2005
Buku Teks
Lee, Hwang, author
Hongikchulpansa, 2008
Buku Teks
translated and arranged by Charles Issawi
Murray, 1950
Buku Teks
Newton, Isaac
University of California press, 1999
Buku Teks
Badawi, Abd al-Rahman
Maktabat al-Nahdah al-Misriyyah, 1954
Buku Teks