Petikan APA

Empel, M. v. (1975). The granting of European patents: Introduction to the Convention on the Grant of European Patents, Munich, October 5, 1973. Leyden: A. W. Sijthoff.

Petikan Gaya Chicago

Empel, M. van. The Granting of European Patents: Introduction to the Convention On the Grant of European Patents, Munich, October 5, 1973. Leyden: A. W. Sijthoff, 1975.

Petikan MLA

Empel, M. van. The Granting of European Patents: Introduction to the Convention On the Grant of European Patents, Munich, October 5, 1973. Leyden: A. W. Sijthoff, 1975.