Plath, S., & Hughes, T. (2008). The collected poems (1st Harper Perennial Modern Classics ed.). HarperPerennial.
Chicago Style (17th ed.) ZitazioaPlath, Sylvia, eta Ted Hughes. The Collected Poems. 1st Harper Perennial Modern Classics ed. New York: HarperPerennial, 2008.
MLA (9th ed.) ZitazioaPlath, Sylvia, eta Ted Hughes. The Collected Poems. 1st Harper Perennial Modern Classics ed. HarperPerennial, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.