Gaya APA

Kerrod, Robin. (1997). Encyclopedia of science . USA: Macmillan Reference USA.

Gaya Chicago

Kerrod, Robin. Encyclopedia of science. USA: Macmillan Reference USA, 1997. Text.

Gaya MLA

Kerrod, Robin. Encyclopedia of science. USA: Macmillan Reference USA, 1997. Text.

Gaya Turabian

Kerrod, Robin. Encyclopedia of science. USA: Macmillan Reference USA, 1997. Print.