Gaya APA
KIRK-OTHMER, . (1972).
ENCYCLOPEDIA OF CHEMICAL TECHNOLOGY; INDEX TO VOLUMES 1-22 AND SUPPLEMENT (2nd completely rev ed).
New York:
INTERSCIENCE PUBLISHERS.
Gaya MLA
KIRK-OTHMER, .
"ENCYCLOPEDIA OF CHEMICAL TECHNOLOGY; INDEX TO VOLUMES 1-22 AND SUPPLEMENT".
2nd completely rev ed
New York:
INTERSCIENCE PUBLISHERS,
1972.
Textbook.