APA aipamena

(2000). Biodirectory 2000. Belgium: Parmacia Biotech.

Chicago Style aipamena

Biodirectory 2000. Belgium: Parmacia Biotech, 2000.

MLA aipamena

Biodirectory 2000. Belgium: Parmacia Biotech, 2000.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.