Dyfyniad APA

Blue, W. W. (1977). Suicide and attempted suicide among the aged.

Dyfyniad Arddull Chicago

Blue, W. W. Suicide and Attempted Suicide Among the Aged. 1977.

Dyfyniad MLA

Blue, W. W. Suicide and Attempted Suicide Among the Aged. 1977.

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