Glassman, Irvin
Academic Press, 1977
Buku Teks SO
Glassman, Irvin
Academic Press , 2015
Buku Teks SO
Hemming, 1998
Multimedia
Bergamini, David
Time Incorporated, 1963
Buku Referensi
Benson, Rowland S.
[publisher not identified], [date of publication not identified]
Buku Teks