Gaya APA

Friedman, S, D., Friedman, S, D. (2014). Total Leardership: be a better leader, have a reacher life . USA: Harvard Business School Publishing Corporation.

Gaya MLA

Friedman, Stewart, D.., Friedman, Stewart, D. "Total Leardership: be a better leader, have a reacher life". USA: Harvard Business School Publishing Corporation, 2014. Reference.