Cyhoeddwyd gan = Published by: Health Promotion Authority for Wales; ar ran = on behalf of: Family Planning Association.
Teitl clawr = Cover title.
Atal cenhedlu brys : os oes peryg i chi genhedlu plentyn yn anfwriadol by Health Promotion Authority for Wales. ISBN 1856870057. Published by Awdurdod Hybu Iechyd Cymru in 1991. Publication and catalogue information, links to buy online and reader comments.