APA Style
Armarego, W, L, F., Perrin, D, D. (1996).
Purification of laboratory chemicals (4 th edition).
Oxford:
BUTTERWORTH - HEINEMANN.
MLA Style
Armarego, W., L., F.., Perrin, D., D..
"Purification of laboratory chemicals".
4 th edition
Oxford:
BUTTERWORTH - HEINEMANN,
1996.
Buku.