Kim, Sung-woo, author
Hollym, 2007
Buku Teks
Jin, Bong-Choi
Jinbong Choi, 2007
Buku Teks
Hochin, Choi
Sekyung Printing Co., Ltd., 1988
Buku Teks
Dewanti Rusmawardani, author
2018
UI - Makalah dan Kertas Kerja
Humphreys, Christmas, author
Penguin Books, 1985
Buku Referensi