Gaya APA
-, K, W.
(2007).
Seri Ensiklopedia Chemistry Matters 6 Metals and Mettalloids
.
BANDUNG:
PAKAR RAYA.
Gaya MLA
-, Krista, West.
"Seri Ensiklopedia Chemistry Matters 6 Metals and Mettalloids".
BANDUNG:
PAKAR RAYA,
2007.
Text.