Dyfyniad APA

Heller, T. (1989). Personal and medical memories from Hillsborough.

Dyfyniad Arddull Chicago

Heller, T. Personal and Medical Memories From Hillsborough. 1989.

Dyfyniad MLA

Heller, T. Personal and Medical Memories From Hillsborough. 1989.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.