Gaya APA
Lafferty, P.
(1997).
Jendela Iptek "Gaya & Gerak"
.
jakarta:
PT. Balai Pustaka.
Gaya MLA
Lafferty, Peter.
"Jendela Iptek "Gaya & Gerak"".
jakarta:
PT. Balai Pustaka,
1997.
Text.