Gaya APA
Geffner, S, L., Lauren, P, M.
(1968).
Experimental chemistry
(
2nd ed)
.
New York:
Amsco School Publications.
Gaya MLA
Geffner, Saul, L.., Lauren, Paul, M..
"Experimental chemistry".
2nd ed
New York:
Amsco School Publications,
1968.
Text.