Gaya APA
Kronfol, Z, A.
(1972).
Protection of feoreign invesment
.
Leyden:
A.W. Sijthoffs Publishing Co.
Gaya MLA
Kronfol, Zouhair, A..
"Protection of feoreign invesment".
Leyden:
A.W. Sijthoffs Publishing Co,
1972.
Buku.