Burdman, Geri Marr
Healthful Aging
Prentice-Hall, 1986
 Buku Teks SO
Koolhaas, Rem
Elements
Venice, Marsilio
 Buku Referensi
Dravinda Adeera Putri
Hunian sehat interaksi sosial yang aktif melalui penggunaan elemen natural = Healthy living active social interaction through application of natural elements
Fakultas Teknik Universitas Indonesia, 2016
 UI - Skripsi Membership
Feldman, Robert Stephen, 1947-
Elements of psychology
McGraw-Hill , 1992
 Buku Teks SO
De Vries, Mary Ann
The Elements of correspondence
Macmillan, 1994
 Buku Teks SO