Παραπομπή APA

Singer, R. S. (1995). The European patent convention: A commentary (Revised Ed.). Sweet & Maxwell.

Παραπομπή Chicago Style

Singer, Romuald Singer. The European Patent Convention: A Commentary. Revised Ed. London: Sweet & Maxwell, 1995.

Παραπομπή MLA

Singer, Romuald Singer. The European Patent Convention: A Commentary. Revised Ed. Sweet & Maxwell, 1995.