Approaches to the study of social structure
edited by Peter M. Blau
Open Books, 1976
 Buku Teks
Buchanan, Norman S.
Approaches to economic development
The Twentieth Country Fund , 1955
 Buku Teks
DiFonzo, Nicholas
Rumor psychology : social and organizational approaches
APA, 2007
 Buku Teks
Approaches to development : politics, administration and change
edited by John D. Montgomery, William J. Siffin
McGraw-Hill, 1966
 Buku Teks SO
New approaches to human reproduction: social and ethical dimensions
edited by Linda M. Whiteford and Marilyn L. Poland
Westview Press, 1989
 Buku Teks