British Standards Institution. (1970). Method for Rockwell superficial hardness test (N and T scales). British Standards Institution.
Čikaški stil citiranja (17. izdanje)British Standards Institution. Method for Rockwell Superficial Hardness Test (N and T Scales). London: British Standards Institution, 1970.
MLA način citiranja (8. izdanje)British Standards Institution. Method for Rockwell Superficial Hardness Test (N and T Scales). British Standards Institution, 1970.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.