Gaya APA

St, D., Nasional, A. (1989). Methods of Measurement and Description of a-Weighted Sound Pressure Level (89). : Jakarta:DSN,.

Gaya MLA

St, Dewan., Nasional, Ardisasi. "Methods of Measurement and Description of a-Weighted Sound Pressure Level". 89 : Jakarta:DSN,, 1989. Text.