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.