Spiro, J. (2004). Creative poetry writing. Karim International.
Chicago Style (17th ed.) ZitazioaSpiro, Jane. Creative Poetry Writing. Oxford: Karim International, 2004.
MLA (9th ed.) ZitazioaSpiro, Jane. Creative Poetry Writing. Karim International, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.