Dranov, Paula
Automated library circulation systems, 1977-78
White Plains, 1977
 Buku Teks
Public library circulation increases as spending increases
 Artikel Jurnal
Public library circulation,spending continue upswing
 Artikel Jurnal
Steiner, Hadas A.
Beyond archigram: the structure of circulation
Routledge, 2009
 Buku Teks
Whelan, R.F.
Control of the peripheral circulation in man
Charles C. Thomas, 1967
 Buku Teks