Lim, M. M. L., & Higgins, S. E. (2008). A study of the information needs of senior citizens in Singapore.
استشهاد بنمط شيكاغوLim, Mae Mei Li., و Susan Ellen Higgins. A Study of the Information Needs of Senior Citizens in Singapore. 2008.
MLA استشهادLim, Mae Mei Li., و Susan Ellen Higgins. A Study of the Information Needs of Senior Citizens in Singapore. 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.