APA Style
Greven, C, S, T. (2001).
Global rules for trade: codes of conduct, social labeling, workers’r right clauses .
Munster:
Westfalisches Dampfboot.
MLA Style
Greven, Christoph, Scherrer,, Thomas.
"Global rules for trade: codes of conduct, social labeling, workers’r right clauses".
Munster:
Westfalisches Dampfboot,
2001.
Book.