Iraq : a guidebook
Summer Ressorts & Tourism Service, 1961
 Buku Teks SO
Longrigg, Stephen Hemsley
Iraq
Frederick A. Praeger, 1958
 Buku Teks SO
Ramage, Janet, 1932-
Energy : a guidebook
Oxford University Press, 1983
 Buku Teks SO
Rukl, Antonin
Constellation guidebook
Sterling Publishing Co., 1999
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Hecht, Jeff
The laser guidebook
McGrawHill, 1986
 Buku Referensi