Walker, Robert A.
How California is governed / Robert A. Walker
Dryden Press, 1953
 Buku Teks SO
Baber, Anne
Make your contacts count: networking know-how for business and career success
American Management Association, 2007
 eBooks
Babbie, Earl R.
Social research counts
Wadsworth and Cengage Learning, 2013 (Student Edition)
 Buku Teks SO
Babbie, Earl R.
Social research counts
Wadsworth and Cengage Learning, 2013 (International edition)
 Buku Teks SO
Posner, Richard A.
Law and literature : a misunderstood relation / Richard A. Posner.
Harvard University Press , 1988
 Buku Teks