Gaya APA
LEVENS,A.S.. (1980).
Graphics In Engineering Design: series A .
New York:
John Wiley and Sons.
Gaya Chicago
LEVENS,A.S..
Graphics In Engineering Design: series A.
New York:
John Wiley and Sons,
1980.
Teks.
Gaya MLA
LEVENS,A.S..
Graphics In Engineering Design: series A.
New York:
John Wiley and Sons,
1980.
Teks.
Gaya Turabian
LEVENS,A.S..
Graphics In Engineering Design: series A.
New York:
John Wiley and Sons,
1980.
Teks.