JUPP, T. (1972). ENGLISH SENTENCE STRUCTURE (1ST.). HEINEMANN.
Chicago Style aipamenaJUPP, T. ENGLISH SENTENCE STRUCTURE. 1ST. NEW DELHI: HEINEMANN, 1972.
MLA aipamenaJUPP, T. ENGLISH SENTENCE STRUCTURE. 1ST. HEINEMANN, 1972.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.