Fonte positiva dos dados

Sec. de: Os 36 estrategemas... 2007

http://authorities.loc.gov 28/9/2015: (d.n.)

http://viaf.org/processed/WKP%7CQ3173207: (d.n.)

http://viaf.org/processed/DNB%7C1062758943: (d.n.)

http://viaf.org/processed/BNF%7C11912803: (sociólogo e antropólogo; d.n.)