Jackson, F. (1987). Conditionals. Blackwell.
Chicago Style aipamenaJackson, Frank. Conditionals. Oxford: Blackwell, 1987.
MLA aipamenaJackson, Frank. Conditionals. Blackwell, 1987.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
Jackson, F. (1987). Conditionals. Blackwell.
Chicago Style aipamenaJackson, Frank. Conditionals. Oxford: Blackwell, 1987.
MLA aipamenaJackson, Frank. Conditionals. Blackwell, 1987.