(1985). Research: How to plan, speak and write about it. Berlin: Springer-Verlag.
Trích dẫn kiểu ChicagoResearch: How to Plan, Speak and Write About It. Berlin: Springer-Verlag, 1985.
Deismireacht MLAResearch: How to Plan, Speak and Write About It. Berlin: Springer-Verlag, 1985.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.