Neo, D. H. K., & Foo, S. S. B. (2008). Feasibility study on online bookselling for used books in national library board of Singapore.
استشهاد بنمط شيكاغوNeo, Doris Hwee Koon, و Schubert Shou Boon Foo. Feasibility Study On Online Bookselling for Used Books in National Library Board of Singapore. 2008.
MLA استشهادNeo, Doris Hwee Koon, و Schubert Shou Boon Foo. Feasibility Study On Online Bookselling for Used Books in National Library Board of Singapore. 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.