Ward , J. (1970). Pecnliarities in English Grammer. Longman Green.
Chicago Style aipamenaWard , John. Pecnliarities in English Grammer. London: Longman Green, 1970.
MLA aipamenaWard , John. Pecnliarities in English Grammer. Longman Green, 1970.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.