Gaya APA
Cobb, A, B., Rudiyanto, .
(2008).
Chemistry Matters! Volume 7 : Nonmetals
.
-:
The Brown Reference Group.
Gaya MLA
Cobb, Allan, B.., Rudiyanto, .
"Chemistry Matters! Volume 7 : Nonmetals".
-:
The Brown Reference Group,
2008.
Text.