Niles, Olive S.
Landmarks
Georgia Scott 1984
 Buku Teks SO
Drucker, Peter Ferdinand, 1909-2005
Landmarks of tomorrow
Harper & Brothers, 1959
 Buku Teks SO
Chin, Kon Yit
Landmarks of Selangor
Jugra Publications, 2003
 Buku Referensi
Landmarks guide book accompany
Niles Christensen [and others]
Illinois Scott, Foresman , 1984
 Buku Teks
Landmarks of American writing
edited by Hennig Cohen
Basic Book, 1969
 Buku Teks SO