Gaya APA
Jackson, D., Nankivell-Anston, S. (2006).
Science Experiments With Simple Machines .
Inggris:
Grolier International.
Gaya MLA
Jackson, Dorothy., Nankivell-Anston, Sally.
"Science Experiments With Simple Machines".
Inggris:
Grolier International,
2006.
Text.