Deismireacht APA

Palen, S. 1. (2012). Understanding our universe. New York, NY: W.W. Norton.

Trích dẫn kiểu Chicago

Palen, Stacy. 1957-. Understanding Our Universe. New York, NY: W.W. Norton, 2012.

Deismireacht MLA

Palen, Stacy. 1957-. Understanding Our Universe. New York, NY: W.W. Norton, 2012.

Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.