APA
Schwartz Bernard,, . (1991). Administrative Law. New York: Aspen Publishers.
Chicago
Schwartz Bernard,, . 1991. Administrative Law. New York: Aspen Publishers.
Harvard
Schwartz Bernard,, . (1991). Administrative Law. New York: Aspen Publishers.
MLA
Schwartz Bernard,, . Administrative Law. New York: Aspen Publishers. 1991.