Cambridge : The American Academy of Arts and Sciences
Majalah, Jurnal, Buletin
Paris : Rue de l'Universite
Majalah, Jurnal, Buletin
Pretoria : University van Pretoria
Majalah, Jurnal, Buletin
Warszawa : The Press in Revie
Majalah, Jurnal, Buletin
London : Route one publishing Ltd, 2006,
Majalah, Jurnal, Buletin