Cita APA (7th ed.)

Block, P. (1981). Flawless Consulting (sco 2nd.). Jossey-Bass.

Cita Chicago (17th ed.)

Block, Peter. Flawless Consulting. sco 2nd. San Franci: Jossey-Bass, 1981.

Cita MLA (9th ed.)

Block, Peter. Flawless Consulting. sco 2nd. Jossey-Bass, 1981.