Gaya APA
Simonds, H, R., Church, J, M. (1963).
A concise guide to plastics. (1963).
:
New York :Van Nostrand Reinhold Co.,.
Gaya MLA
Simonds, Herbert, R.., Church, James, M..
"A concise guide to plastics.".
1963
:
New York :Van Nostrand Reinhold Co.,,
1963.
Text.