Cohen, Bernard P., author
Prentice-Hall, 1980
Buku Teks
Barnes, Barry, author
Routledge & K. Paul, 1974
Buku Teks
Leydesdorff, Loet, author
Universal, 2003
Buku Teks
edited by G.J. Alaerts, N.L. Dickinson
CRC Press, Taylor & Francis Group, 2009
Buku Teks
Rodgers, Beth L., author
Lippincott Williams & Wilkins , 2005
Buku Teks