Gaya APA
Frados, , J. (1976).
Plastic engineering handbook of the society of the plastics industry, Inc. .
:
Van Nostrand Reinhold Co,pany.
Gaya MLA
Frados, , Joel.
"Plastic engineering handbook of the society of the plastics industry, Inc.".
:
Van Nostrand Reinhold Co,pany,
1976.
Art Original.