Gaya APA
Strauss, H, J., Kaufman, M. (1976).
Handbook for chemical technicians .
USA:
USA : Mc Graw Hill Book Company,.
Gaya MLA
Strauss, Howard, J., Kaufman, Milton.
"Handbook for chemical technicians".
USA:
USA : Mc Graw Hill Book Company,,
1976.
Text.