Kẹpczynska, J. S. (2005). Matrix: Foundation workbook. Oxford: Oxford Univ. Press.
Trích dẫn kiểu ChicagoKẹpczynska, Joanna Spencer. Matrix: Foundation Workbook. Oxford: Oxford Univ. Press, 2005.
Deismireacht MLAKẹpczynska, Joanna Spencer. Matrix: Foundation Workbook. Oxford: Oxford Univ. Press, 2005.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.