Gaya APA

Sayles, L, R. (1987). Leadership: What Effective Managers Really Do... and How They Do It: Grolier Business Library . USA: Mc Graw Hill.

Gaya MLA

Sayles, Leonard, R.. "Leadership: What Effective Managers Really Do... and How They Do It: Grolier Business Library". USA: Mc Graw Hill, 1987. GEN - Bacaan/Seri Non-Fiksi.