Duncan, R. Ideas of the Meaning of form ; Often I am permitted to return to a meadow: Robert Duncan. American Poetologics and Poems by Twentieth-Century Poets.(1996).
Lua i Stíl Chicago (17ú heag.)Duncan, Robert. "Ideas of the Meaning of Form ; Often I Am Permitted to Return to a Meadow: Robert Duncan." American Poetologics and Poems by Twentieth-Century Poets.(1996) .
Lua MLA (8ú heag.)Duncan, Robert. "Ideas of the Meaning of Form ; Often I Am Permitted to Return to a Meadow: Robert Duncan." American Poetologics and Poems by Twentieth-Century Poets.(1996), .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.