Gaya APA

Toffler, A. (1991). Power shift: knowledge, wealth, and violence at the edge of the 21st century. . New York dsl: Bantam books.

Gaya MLA

Toffler, Alvin. "Power shift: knowledge, wealth, and violence at the edge of the 21st century. ". New York dsl: Bantam books, 1991. Buku.