Tafakur : perspektif psikologi Islam

 Badri, Malik; Husnan, Usman Syihab;

Bandung : Remaja Rosdakarya , 1996

Social Anthropology in perspektive : The relevance of social anthropology / I.M. Lewis

 Lewis,I.M.;

Hermondsworth, England : s.n. , 1981

The natural law foundations of modern social theory : a quest for universalism

 Chernilo, Daniel;

Cambridge : Cambridge University Press , 2014