Kingdon, R. (1958). The groundwork of english stress. Longman.
Chicago Style (17th ed.) ZitazioaKingdon, Roger. The Groundwork of English Stress. London: Longman, 1958.
MLA (9th ed.) ZitazioaKingdon, Roger. The Groundwork of English Stress. Longman, 1958.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.