Spender, S. (1965). Selected poems. Faber and Faber.
Chicago Style (17th ed.) ZitazioaSpender, Stephen. Selected Poems. Londres: Faber and Faber, 1965.
MLA (9th ed.) ZitazioaSpender, Stephen. Selected Poems. Faber and Faber, 1965.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.