Keh, D. T. K., Low, S. P., Ng, P. F., & Chye, L. B. (2015). Catalogue shopping - a new form of buying and selling in Singapore.
استشهاد بنمط شيكاغوKeh, Desiree Teng Koon, See Peng Low, Pei Fern Ng, و Lim Boon Chye. Catalogue Shopping - a New Form of Buying and Selling in Singapore. 2015.
MLA استشهادKeh, Desiree Teng Koon, See Peng Low, Pei Fern Ng, و Lim Boon Chye. Catalogue Shopping - a New Form of Buying and Selling in Singapore. 2015.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.