Sociology :a brief introduction

 Schaefer, Richard T.;

Boston, Mass. : : McGraw-Hill , 2006

Sociology matters

 Schaefer, Richard T.;

Boston : : McGraw-Hill , 2008

Sosiologi buku 2

 Schaefer, Richard T.; Dwiandani, Diah Tantri; Novenanto, Anton;

Jakarta : Salemba Humanika , 2012

Sociology in modules

 Schaefer, Richard T.;

New York, NY : : McGraw-Hill , 2013.