OLIEN REBECCA. (2019). WHAT HAPPENED TO THE DINOSAURUS ? BOOK ABOUT EXTINCTION (2007 Ed.). CAPSTONE GLOBAL PUBLISHERS.
Cita Chicago (17th ed.)OLIEN REBECCA. WHAT HAPPENED TO THE DINOSAURUS ? BOOK ABOUT EXTINCTION. 2007 Ed. LONDON: CAPSTONE GLOBAL PUBLISHERS, 2019.
Cita MLA (9th ed.)OLIEN REBECCA. WHAT HAPPENED TO THE DINOSAURUS ? BOOK ABOUT EXTINCTION. 2007 Ed. CAPSTONE GLOBAL PUBLISHERS, 2019.
Atenció: Aquestes cites poden no estar 100% correctes.