Gaya APA
Kirk-Othmer, . (1966).
Encyclopaedias of Chemical Technology 2nd Edition Volume 9 (2nd).
United States of America:
John Wiley and Sons.
Gaya MLA
Kirk-Othmer, .
"Encyclopaedias of Chemical Technology 2nd Edition Volume 9".
2nd
United States of America:
John Wiley and Sons,
1966.
Text.