Dyfyniad APA
ebrary, Inc, Willhardt, M., & Parker, A. M. (2000). Who's who in twentieth century world poetry. Routledge.
Dyfyniad Arddull Chicago
ebrary, Inc, Mark Willhardt, and Alan Michael Parker. Who's Who in Twentieth Century World Poetry. London: Routledge, 2000.
Dyfyniad MLA
ebrary, Inc, et al. Who's Who in Twentieth Century World Poetry. Routledge, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.