Dyfyniad APA

Duffy, A. (1936). The poetry of duty. National Council of Catholic Men.

Dyfyniad Arddull Chicago

Duffy, Alfred. The Poetry of Duty. Washington, D.C.: National Council of Catholic Men, 1936.

Dyfyniad MLA

Duffy, Alfred. The Poetry of Duty. National Council of Catholic Men, 1936.

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