المؤلفون: Ryus, Paul, Musunuru, Anusha, Bonneson, James, Kothuri, Sirisha, Monsere, Christopher, McNeil, Nathan, LaJeunesse, Seth, Nordback, Krista, Kumfer, Wesley, Currin, Sophie

المصدر: ISBN 9780309094603.

الاتاحة: https://doi.org/10.17226/26518