Gaya APA
LEVENS, Alexander. (1980).
Graphics in engineering design .
New York:
Jhon Wiley.
Gaya Chicago
LEVENS, Alexander.
Graphics in engineering design.
New York:
Jhon Wiley,
1980.
Text.
Gaya MLA
LEVENS, Alexander.
Graphics in engineering design.
New York:
Jhon Wiley,
1980.
Text.
Gaya Turabian
LEVENS, Alexander.
Graphics in engineering design.
New York:
Jhon Wiley,
1980.
Print.