Lip, E. (1974). Small unit public housing in Singapore: An assessment of the living environment of a sample of one and two room H.D.B. flats so as to make recommendations for the upgrading of the flats and to propose design solutions for future flats.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Lip, Evelyn. Small Unit Public Housing in Singapore: An Assessment of the Living Environment of a Sample of One and Two Room H.D.B. Flats so as to Make Recommendations for the Upgrading of the Flats and to Propose Design Solutions for Future Flats. 1974.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Lip, Evelyn. Small Unit Public Housing in Singapore: An Assessment of the Living Environment of a Sample of One and Two Room H.D.B. Flats so as to Make Recommendations for the Upgrading of the Flats and to Propose Design Solutions for Future Flats. 1974.