Gaya APA
Dunn, Andrew. (1993).
How Things Work : Lifting By Levers .
New York:
Thomson Learning.
Gaya Chicago
Dunn, Andrew.
How Things Work : Lifting By Levers.
New York:
Thomson Learning,
1993.
Text.
Gaya MLA
Dunn, Andrew.
How Things Work : Lifting By Levers.
New York:
Thomson Learning,
1993.
Text.
Gaya Turabian
Dunn, Andrew.
How Things Work : Lifting By Levers.
New York:
Thomson Learning,
1993.
Print.