Gaya APA
P.S.Liss, R, R, P, B, D, D.
(1980).
Environmental Chemistry
.
London:
Great Britain.
Gaya MLA
P.S.Liss, R.W., Raiswell., P., Brimbiecombe,, D.L., Dent,.
"Environmental Chemistry".
London:
Great Britain,
1980.
Text.