The standard critical work is Der italienische Feldzug 1859 by the German general staff (practically dictated by Moltke).
There are masterly translations by him of Leopardi, Giusti, and other Italian poets (Italienische Dichter seit der Mitte des 18ten Jahrhundert) (4 vols.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "italienische" in a variety of sentences. We hope that you will now be able to make sentences using this word.