Yi, Song-mi, 1939-, author
Hollym, 2006
Buku Teks
Black, Joyce M., author
W.B. Saunders, 1997
Buku Teks
Black, Joyce M., author
W.B. Saunders , 1997
Buku Teks
Kildow, Betty A., author
American Management Association, 2011
Buku Teks
edited by Louis L. Lote
Committee of Transylvania, 1980
Buku Teks