Cita APA

Wurtenberger, G. (2006). European community plant variety protection. Oxford University press.

Chicago Edition Citation

Wurtenberger, Gert....[et.al]. European Community Plant Variety Protection. Oxford: Oxford University press, 2006.

Cita MLA

Wurtenberger, Gert....[et.al]. European Community Plant Variety Protection. Oxford University press, 2006.