Gaya APA
Braun, J, R.
(1984).
Study Guide Basic Concepts of Chemistry
(
3)
.
Boson Toront:
Mifflin comany.
Gaya MLA
Braun, James, R..
"Study Guide Basic Concepts of Chemistry".
3
Boson Toront:
Mifflin comany,
1984.
Text.