Are there significant differences between liberal and non-liberal states in the way that foreign policy is formed?

Are there significant differences between liberal and non-liberal states in the way that foreign policy is formed? Order Description Harvard referencing style 3500 words use the following references: -Hudson, Foreign Policy Analysis: Classic and Contemporary Theory (2014) -Smith, Hadfield and Dunne, Foreign Policy: Theories, Actors, Cases (2012) -Aldan & Aran, Foreign Policy Analysis: New Approaches (2012) -Snyder et al, Foreign Policy Decision Making (Revisited) (2003) -Webber, Smith et al, Foreign Policy in a Transformed World (2013) -Hudson, "Foreign Policy Analysis, Yesterday, Today and Tomorrow" -plus two relevant references