APA Style
Howlett, Michael. (1955).
Studying Public Policy : Policy Cycles and Policy Subsystems .
Inggris:
Oxford University Press.
Chicago Style
Howlett, Michael.
Studying Public Policy : Policy Cycles and Policy Subsystems.
Inggris:
Oxford University Press,
1955.
Text.
MLA Style
Howlett, Michael.
Studying Public Policy : Policy Cycles and Policy Subsystems.
Inggris:
Oxford University Press,
1955.
Text.
Turabian Style
Howlett, Michael.
Studying Public Policy : Policy Cycles and Policy Subsystems.
Inggris:
Oxford University Press,
1955.
Print.