Nybakken, James Willard
Gramedia Pustaka Utama, 1992
Buku Teks
Barnes, R.S.K.
Blackwell Scientific Publications, 1988
Buku Teks
edited by Martin Solan, Nia M. Whiteley
Oxford University Press, 2016
eBooks
John Wiley & Sons, 1978
Buku Teks
edited by Otto Kinne
John Wiley & Sons, 1982
Buku Teks