Ranney, Austin
Governing : an introduction to political science
Prentice-Hall, 1993
 Buku Teks
Ranney, Austin
The governing of men: an introduction to political science
Holt, Rinehart and Winston , 1958
 Buku Teks SO
Ranny, Austin
Governing
Prentince-Hall, 1987
 Buku Teks
Science and technical writing: a manual of style
general editor, Philip Rubens
Henry Holt and Company, 1992
 Buku Referensi
Cromer, Alan H.
Physics in science and industry
McGraw-Hill, 1980
 Buku Teks SO