Parent, Rick, author
Elesevier, 2012
Buku Teks
edited by Nicholas Benwell
Halsted Press, 1975
Buku Teks
Yahya, Abid, author
Springer Cham, 2019
eBooks
edited by James A. Ciarlo
Sage, 1981
Buku Teks
Chatterji, B.N., author
Oxford and IBH, 1988
Buku Teks