Gaya APA
Maxwell, J, C.
(2016).
5 levels of leadership
(
Cet. 1)
.
Surabaya:
PT Menuju Insan Cemerlang.
Gaya MLA
Maxwell, John, C..
"5 levels of leadership".
Cet. 1
Surabaya:
PT Menuju Insan Cemerlang,
2016.
Text.