Gaya APA
Kerrod, R. et al (1997).
Encyclopedia of science vol. 10 : Transportation (2sd edition).
New York:
Macmillan Reference USA.
Gaya MLA
Kerrod, Robin. et al.
"Encyclopedia of science vol. 10 : Transportation".
2sd edition
New York:
Macmillan Reference USA,
1997.
Text.