Mukherji, S.M.
New Age International , 1997
Buku Teks
edited by R.B. Bucat
Australian Academy of Science, 1984
Buku Teks
Harmita
EGC, 2014
Buku Teks
Sackheim, George I.
Macmillan, 1973
Buku Teks
Sienko, Michell J.
McGraw-Hill Kogakusha, 1961
Buku Teks