John Sikula, senior editor ; Thomas Buttery, editor, Edith Guyton, editor
Macmillan Library Reference USA, 1996
Buku Referensi
edited by Joyce Liddle
Emerald, 2016
eBooks
Justin Dillon, Meg Maguire, editor
McGraw-Hill, 2011
Buku Teks
Adams, Anthony
Falmer Press, 1995
Buku Teks
Schröpfer, Thomas
Springer Singapore, 2019
eBooks