Gaya APA
Greig,J.A, .
(1996).
Ion echange development and applications
(
1996)
.
Irland:
The Nutrasweet kelco Company.
Gaya MLA
Greig,J.A, .
"Ion echange development and applications".
1996
Irland:
The Nutrasweet kelco Company,
1996.
Text.