Gaya APA
Buhl, Harold R.. (1960).
Creative engineering design .
:
The Iowa State University Press.
Gaya Chicago
Buhl, Harold R..
Creative engineering design.
:
The Iowa State University Press,
1960.
Text.
Gaya MLA
Buhl, Harold R..
Creative engineering design.
:
The Iowa State University Press,
1960.
Text.
Gaya Turabian
Buhl, Harold R..
Creative engineering design.
:
The Iowa State University Press,
1960.
Print.