Gaya APA
Saleh, S. et al. (2011).
Practicing Leadership Principles and Aplications (Fourth Edition).
River Street Hoboken:
John Wiley & Sons LTD.
Gaya MLA
Saleh, S. et al..
Practicing Leadership Principles and Aplications.
Fourth Edition
River Street Hoboken:
John Wiley & Sons LTD,
2011.
Text.