APA Style
Ballard, Carol. (2008).
Magnets and springs .
London:
Wayland.
Chicago Style
Ballard, Carol.
Magnets and springs.
London:
Wayland,
2008.
Buku SMA Athalia.
MLA Style
Ballard, Carol.
Magnets and springs.
London:
Wayland,
2008.
Buku SMA Athalia.
Turabian Style
Ballard, Carol.
Magnets and springs.
London:
Wayland,
2008.
Buku SMA Athalia.