Gaya APA
Empel, M. Van. (1975).
The Granting of european patents .
Belanda:
A. W. Sijthoff International Publishing Company.
Gaya Chicago
Empel, M. Van.
The Granting of european patents.
Belanda:
A. W. Sijthoff International Publishing Company,
1975.
Text.
Gaya MLA
Empel, M. Van.
The Granting of european patents.
Belanda:
A. W. Sijthoff International Publishing Company,
1975.
Text.
Gaya Turabian
Empel, M. Van.
The Granting of european patents.
Belanda:
A. W. Sijthoff International Publishing Company,
1975.
Print.