APA aipamena

Rigod, B. (2013). The purpose of the WTO agreement on the application of sanitary and phytosanitary measures (SPS). Oxford University Press.

MLA aipamena

Rigod, Boris. The Purpose of the WTO Agreement On the Application of Sanitary and Phytosanitary Measures (SPS). Oxford University Press, 2013.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.