Gaya APA

Swanson, C, P., Beyer, B, K. (NULL). Teaching thinking skills a handbook for secondary school teachers . Boston:: Boston: Allyn and Bacon; 1995..

Gaya MLA

Swanson, Carl, P.., Beyer, Barry, K.. "Teaching thinking skills a handbook for secondary school teachers". Boston:: Boston: Allyn and Bacon; 1995., NULL. Text.