Stapenhurst, T.(2005).Mastering statistical process control: a handbook for performance improvement using cases (-).(4) Organisasi Perusahaan: Teo:Yayasan Kita Menulis.
Gaya MLA
Stapenhurst, T..Mastering statistical process control: a handbook for performance improvement using cases.-(4) Organisasi Perusahaan: Teo:Yayasan Kita Menulis,2005.Text.