Gaya APA
Ardiansyah, P., Wulandari, I. (2017).
101 (One hundred and one) amazing leadership ideas .
Bantul:
Hafa Quadrant Indonesia.
Gaya MLA
Ardiansyah, Panji., Wulandari, Indah.
"101 (One hundred and one) amazing leadership ideas".
Bantul:
Hafa Quadrant Indonesia,
2017.
Text.