Riduwan. (2003). Dasar-dasar statistika. Alfabeta.
Chicago Style (17th ed.) CitationRiduwan. Dasar-dasar Statistika. Alfabeta, 2003.
MLA (8th ed.) CitationRiduwan. Dasar-dasar Statistika. Alfabeta, 2003.
Warning: These citations may not always be 100% accurate.