Dyfyniad APA

O'neill, E. Long day's journey into night. 2009.

Dyfyniad Arddull Chicago

O'neill, Eugene. Long Day's Journey into Night. Friends' Book Corner: 2009.

Dyfyniad MLA

O'neill, Eugene. Long Day's Journey into Night. 2009.

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