Baker, A.L.L.
Limits-state design of reinforced concrete
Cement and Concrete Association, 1970
 Buku Teks
Funderbank, Charles
Presidents and politics: the limits of power/ Charles Funderburk
Brooks/Cole Publishing, 1982
 Buku Teks
Thane, Pat
The Foundations of the welefare state / Pat Thane
Longman, 1982
 Buku Teks
Islam and the limits of the state: reconfigurations of practice, community and authority in contemporary Aceh
edited by R. Michael Feener, David Kloos, Annemarie Samuels
Brill, 2016
 eBooks
Tang, Leang-Li
Foundations of modern China / T'ang Leang-Li
Noel Douglas, 1928
 Buku Teks