Y diwrnod pan aeth y byd yn syfrdan
Subtitle: Medi 11eg : [11 Medi, 2001]
By: Fiona Macdonald ; addasiad Elin Meek
Contributors: Meek, Elin
Series: Diwrnod mewn hanes
Publisher: Gwasg Gomer
Published: 2011
Place of publication: Llandysul
Language: wel
Number of pages: 47
ISBN-13: 9781848512788
Subjects: September 11 Terrorist Attacks, 2001; Juvenile literature
Work titles: September 11th
Notes: Yn cynnwys mynegai = Includes index.

Isdeitl o'r clawr = Subtitle from cover.

Cyhoeddwyd y fersiwn Saesneg yn wreiddiol = Original English edition published: Kent : Ticktock Media, ©2003.

Addasiad Cymraeg o = Welsh adaption of: 'September 11th : the day the world stood still : 11th September 2001'.