Gaya APA
Sinek, S. (2014).
Leaders eat last: why some teams pull together and others don't (Cetakan ke Dua).
United State:
Portfolio Penguin.
Gaya MLA
Sinek, Simon.
"Leaders eat last: why some teams pull together and others don't".
Cetakan ke Dua
United State:
Portfolio Penguin,
2014.
Text.