Qureshi,Asif H, & Andreas R Ziegler. (2007). International Economic Law. Sweet & Maxwell.
Chicago Style aipamenaQureshi,Asif H, and Andreas R Ziegler. International Economic Law. London: Sweet & Maxwell, 2007.
MLA aipamenaQureshi,Asif H, and Andreas R Ziegler. International Economic Law. Sweet & Maxwell, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.