Gaya APA
spitz, L. (2004).
Sodeopec; Soap, Detergents, Oleo Chemicals and personal care products .
usa new york:
aocs press.
Gaya MLA
spitz, Luis.
"Sodeopec; Soap, Detergents, Oleo Chemicals and personal care products".
usa new york:
aocs press,
2004.
Text.