Meyerson, Martin
McGraw-Hill , 1962
Buku Teks SO
by John Macsai ... [and others] ; illustrator, Alfred J. Hidvegi
Wiley, 1976.
Buku Teks
Dwyer, Denis John
Longman, 1979
Buku Teks
by Eddy Husnizal, Khairul Amri, Reinhard Simanjuntak
United Nations Human Settlements Programme (UN-HABITAT), 2008
Buku Teks
Garnett, David
Longman , 1991
Buku Teks