SCIMA valintakori viitteet

lkm: 2
1.
National Westminster Bank Quarterly Review
1985 : AUG, VOL. 2-17
1985 Ball, J.
2.
Informacion Comercial Espanola
1989 : JUN-JUL, 670-671, p. 73-86
1989 Cena, A.
SCIMA