National Safety Council. School and College Division. School shop safety. School and College Division, National Safety Council.
Čikaški stil citiranja (17. izdanje)National Safety Council. School and College Division. School Shop Safety. Chicago: School and College Division, National Safety Council.
MLA način citiranja (8. izdanje)National Safety Council. School and College Division. School Shop Safety. School and College Division, National Safety Council.
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