Gaya APA

Headlam, C., Pitchford, R. (1997). Science Encyclopedia [Jilid 1-10, Abacus-Boiling Point s.d (Cet. 3.--). London: Kingfisher.

Gaya MLA

Headlam, Catherine., Pitchford, Ralph. "Science Encyclopedia [Jilid 1-10, Abacus-Boiling Point s.d". Cet. 3.-- London: Kingfisher, 1997. Text.