Szabó Pál Balázs & Boytha György. (2004). International and European community protection of plant varieties.
Chicago Style (17th ed.) CitationSzabó Pál Balázs and Boytha György. International and European Community Protection of Plant Varieties. 2004.
MLA idézésSzabó Pál Balázs and Boytha György. International and European Community Protection of Plant Varieties. 2004.
Figyelem: ezek az hivatkozások nem 100%-ban pontosak..