APA
Kamstra Gerald, Doring Mark, . (2002). Patents on biotechnological inventions : The EC directive. London: Sweet & Maxwell.
Chicago
Kamstra Gerald, Doring Mark, . 2002. Patents on biotechnological inventions : The EC directive. London: Sweet & Maxwell.
Harvard
Kamstra Gerald, Doring Mark, . (2002). Patents on biotechnological inventions : The EC directive. London: Sweet & Maxwell.
MLA
Kamstra Gerald, Doring Mark, . Patents on biotechnological inventions : The EC directive. London: Sweet & Maxwell. 2002.