Gartner, G. (2017). Location Based Services and TeleCartography II. Springer.
استشهاد بنمط شيكاغوGartner, Georg. Location Based Services and TeleCartography II. Springer, 2017.
MLA استشهادGartner, Georg. Location Based Services and TeleCartography II. Springer, 2017.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.