APA stil citiranja

Drucker, P. F. (1969). The knowledge society: The knowledge society. The Age of Discontinuity : guidelines to our changing society, p. 63.

Chicago stil citiranja

Drucker, Peter F. "The knowledge society: The knowledge society." 1969: 63.

MLA stil citiranja

Drucker, Peter F. "The knowledge society: The knowledge society." 1969: 63.