Gaya APA

SINEK,SIMON. (2018). LEADERS EAT LAST (PERTAMA). NY: PENGUIN.

Gaya Chicago

SINEK,SIMON. LEADERS EAT LAST. PERTAMA NY: PENGUIN, 2018. Text.

Gaya MLA

SINEK,SIMON. LEADERS EAT LAST. PERTAMA NY: PENGUIN, 2018. Text.

Gaya Turabian

SINEK,SIMON. LEADERS EAT LAST. PERTAMA NY: PENGUIN, 2018. Print.