Gaya APA
Zumdahl, Steven S. (1989).
Chemistry (2nd. Ed).
United States of America:
D.C. Heath and Company.
Gaya Chicago
Zumdahl, Steven S.
Chemistry.
2nd. Ed
United States of America:
D.C. Heath and Company,
1989.
Text.
Gaya MLA
Zumdahl, Steven S.
Chemistry.
2nd. Ed
United States of America:
D.C. Heath and Company,
1989.
Text.
Gaya Turabian
Zumdahl, Steven S.
Chemistry.
2nd. Ed
United States of America:
D.C. Heath and Company,
1989.
Print.