Ong, Y. Y., & Williams, P. J. (2015). "Please Q!": A study on queuing and its negotiated order in Singapore.
استشهاد بنمط شيكاغوOng, Yee Yen, و Patrick J. Williams. "Please Q!": A Study On Queuing and Its Negotiated Order in Singapore. 2015.
MLA استشهادOng, Yee Yen, و Patrick J. Williams. "Please Q!": A Study On Queuing and Its Negotiated Order in Singapore. 2015.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.