Gaya APA
BUTTLE, J, W., Danels, D, J.
(1962).
PRACTICAL CHEMISTRY: AN INTEGRATED COURSE
.
London:
Butterworth.
Gaya MLA
BUTTLE, J., W.., Danels, D., J..
"PRACTICAL CHEMISTRY: AN INTEGRATED COURSE".
London:
Butterworth,
1962.
Textbook.