Dato' Sri Ir. Hj. Zulkefli, H. (2017). Strengthening Malaysia's water resource management. The Institution of Engineers, Malaysia (IEM).
استشهاد بنمط شيكاغوDato' Sri Ir. Hj. Zulkefli, Hassan. Strengthening Malaysia's Water Resource Management. The Institution of Engineers, Malaysia (IEM), 2017.
MLA استشهادDato' Sri Ir. Hj. Zulkefli, Hassan. Strengthening Malaysia's Water Resource Management. The Institution of Engineers, Malaysia (IEM), 2017.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.