Jackson, W. (1998). The four ages: Together with essays on various subjects. Thoemmes.
Chicago-Zitierstil (17. Ausg.)Jackson, William. The Four Ages: Together with Essays on Various Subjects. Bristol: Thoemmes, 1998.
MLA-Zitierstil (8. Ausg.)Jackson, William. The Four Ages: Together with Essays on Various Subjects. Thoemmes, 1998.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.