Gaya APA
SKF. (General Catalogue). (1070).
:
Jarrald and Sons.
Gaya Chicago
SKF. (General Catalogue).
.
:
Jarrald and Sons,
1070.
.
Gaya MLA
SKF. (General Catalogue).
.
:
Jarrald and Sons,
1070.
.
Gaya Turabian
SKF. (General Catalogue).
:
Jarrald and Sons,
1070.
.