Gaya APA
Headlam, Catherine, Pitchford, Ralph. (1997).
Science Encyclopedia [Jilid 1-10, Abacus-Boiling Point s.d (Cet. 3.--).
London:
Kingfisher.
Gaya Chicago
Headlam, Catherine, Pitchford, Ralph.
Science Encyclopedia [Jilid 1-10, Abacus-Boiling Point s.d.
Cet. 3.--
London:
Kingfisher,
1997.
Text.
Gaya MLA
Headlam, Catherine, Pitchford, Ralph.
Science Encyclopedia [Jilid 1-10, Abacus-Boiling Point s.d.
Cet. 3.--
London:
Kingfisher,
1997.
Text.
Gaya Turabian
Headlam, Catherine, Pitchford, Ralph.
Science Encyclopedia [Jilid 1-10, Abacus-Boiling Point s.d.
Cet. 3.--
London:
Kingfisher,
1997.
Print.