Day, Paul W
John Mulgan / Paul W Day
Twayne Publishers , 1968
 Buku Teks
Shiver, John M.
Managing integrated health systems
Jones & Bartlett Learning, 2016
 Buku Teks
Comparative marketing systems : a cultural approach / edited, Montrose S. Sommers, Jerome B. Kernan
Appleton-Century-Crofts, 1968
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Understanding foreign policy : the foreign policy systems approach / edited by Michael Clarke and Brian White
Edward Edgar, 1994
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Human and energy factors in urban planning: a systems approach/edited by P.Laconte, J. Gibsonand A, Raport
Martinus Nijhaff Publisher, 1979
 Buku Teks