APA aipamena

American National Standards Institute. (2012). NFPA 257: Standard on fire test for window and glass block assemblies (2012 edition.). National Fire Protection Association.

Chicago Style aipamena

American National Standards Institute. NFPA 257: Standard on Fire Test for Window and Glass Block Assemblies. 2012 edition. Quincy, Massachusetts: National Fire Protection Association, 2012.

MLA aipamena

American National Standards Institute. NFPA 257: Standard on Fire Test for Window and Glass Block Assemblies. 2012 edition. National Fire Protection Association, 2012.