APA

Toffler A., .Powershift : Knowledge, wealth, and violence at the edge of the 21 st entury. Estados Unidos de América: Bantam Books.

Chicago

Toffler Alvin, .Powershift : Knowledge, wealth, and violence at the edge of the 21 st entury. Estados Unidos de América: Bantam Books.

Harvard

Toffler A., .Powershift : Knowledge, wealth, and violence at the edge of the 21 st entury. Estados Unidos de América: Bantam Books.

MLA

Toffler Alvin, .Estados Unidos de América: Bantam Books. .