Tomascik, Tomas; Mah, Anmarie Janice; Nontji, Anugerah; Moosa, Mohammad Kasim
Periplus Editions, 1997
Buku Referensi
Barnes, R.S.K.
Blackwell Scientific Publications, 1988
Buku Teks
Sheppard, Charles
Academic Press, 1992
Buku Teks
John Wiley & Sons, 1978
Buku Teks
edited by Otto Kinne
John Wiley & Sons, 1982
Buku Teks