Veatch, Robert M., author
Oxford University Press, 2015
Buku Teks
Peter Dabrock
Springer, 2012
eBooks
Mabie, Margot C.J.
Atheneum , 1993
Buku Teks
Johnstone, Megan-Jane, author
W.B. Saunders , 1989
Buku Teks
Bone, Edouard, author
Kanisius, 1988
Buku Teks