APA aipamena

(1999). Biodirectory 1999. Belgium: Parmacia Biotech.

Chicago Style aipamena

Biodirectory 1999. Belgium: Parmacia Biotech, 1999.

MLA aipamena

Biodirectory 1999. Belgium: Parmacia Biotech, 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.