SpringerLink (Online service) & Norrish, M. (2013). Certified programs and proofs: Third international conference, CPP 2013, Melbourne, VIC, Australia, December 11-13, 2013, Proceedings. Springer International Publishing Imprint: Springer.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)SpringerLink (Online service) و Michael Norrish. Certified Programs and Proofs: Third International Conference, CPP 2013, Melbourne, VIC, Australia, December 11-13, 2013, Proceedings. Cham: Springer International Publishing Imprint: Springer, 2013.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)SpringerLink (Online service) و Michael Norrish. Certified Programs and Proofs: Third International Conference, CPP 2013, Melbourne, VIC, Australia, December 11-13, 2013, Proceedings. Springer International Publishing Imprint: Springer, 2013.