Gaya APA
Patton, C, V., Sawicki, D, S. (1986).
Basic Methods of Policy Analysisand Planning .
New Jersey:
Prentice Hall.
Gaya MLA
Patton, Carl, V., Sawicki, David, S.
"Basic Methods of Policy Analysisand Planning".
New Jersey:
Prentice Hall,
1986.
Texts.