APA (7th ed.) Zitazioa
McPhail, H., & Guest, P. (2001). On the trail of the poets of the great war: Robert Graves & Siegfried Sassoon. Leo Cooper.
Chicago Style (17th ed.) Zitazioa
McPhail, Helen, eta Philip Guest. On the Trail of the Poets of the Great War: Robert Graves & Siegfried Sassoon. South Yorkshire, England: Leo Cooper, 2001.
MLA (9th ed.) Zitazioa
McPhail, Helen, eta Philip Guest. On the Trail of the Poets of the Great War: Robert Graves & Siegfried Sassoon. Leo Cooper, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.