APA استشهاد

Paterson, G. (1994). The European patent system: The law and practice of the European patent convention, first supplement. Sweet & Maxwell.

استشهاد بنمط شيكاغو

Paterson, Gerald. The European Patent System: The Law and Practice of the European Patent Convention, First Supplement. London: Sweet & Maxwell, 1994.

MLA استشهاد

Paterson, Gerald. The European Patent System: The Law and Practice of the European Patent Convention, First Supplement. Sweet & Maxwell, 1994.