Hannerz, Ulf
Transnational connections
Routledge, 1996
 Buku Teks
Biology : concepts and connections
Neil A. Campbell ... [and others]
Pearson Benjamin Cummings, 2009
 Buku Teks
Campbell, Neil A., 1946-2004
Biology : concepts and connections
The Benjamin/Cummings, 1994
 Buku Teks
Feist, Gregory J.
Psychology : perspectives and connections
McGraw-Hill, 2012
 Buku Teks
Rathus, Spencer A.
Psychology : concepts and connections
Wadsworth and Cengage Learning, 2012
 Buku Teks