Gaya APA
Krass, P. (1998).
The Book Of Leadership Wisdom : Classic Writings by Legendary Business Leaders (cet.3).
New York:
McGraw-Hill.
Gaya MLA
Krass, Peter.
"The Book Of Leadership Wisdom : Classic Writings by Legendary Business Leaders".
cet.3
New York:
McGraw-Hill,
1998.
Text.