Gaya APA
Kerrod, R. (1997).
Macmillan encyclopedia of science jilid 12:tool and tomorrow .
Bandung:
Macmillan Library Reference.
Gaya MLA
Kerrod, Robin.
"Macmillan encyclopedia of science jilid 12:tool and tomorrow".
Bandung:
Macmillan Library Reference,
1997.
Referensi.