Gaya APA
Gray, L.
(2007).
Chemistry Matters 5 The Periodic Table
(
Jilid 5)
.
Bandung:
The Brown Reference Group plc.
Gaya MLA
Gray, Leon.
"Chemistry Matters 5 The Periodic Table".
Jilid 5
Bandung:
The Brown Reference Group plc,
2007.
Text.