Ong, W. C., & Studies, S. R. S. o. I. (2012). The need for engagement in Singapore's defence policies.
استشهاد بنمط شيكاغوOng, Wei Chong, و S. Rajaratnam School of International Studies. The Need for Engagement in Singapore's Defence Policies. 2012.
MLA استشهادOng, Wei Chong, و S. Rajaratnam School of International Studies. The Need for Engagement in Singapore's Defence Policies. 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.