Gaya APA

St, D., NasionaI, A. (1989). Testing Method for Colour Fastness to Daylight (1989). : Jakarta: DSN,.

Gaya MLA

St, Dewan., NasionaI, Ardisasi. "Testing Method for Colour Fastness to Daylight". 1989 : Jakarta: DSN,, 1989. Text.