Gaya APA
Tracy, B., Dewi, Y, S. (2019).
Master your time, master your life (edisi 1).
Jakarta:
Elex media komputindo.
Gaya MLA
Tracy, Brian., Dewi, Yuniasari, Shinta.
"Master your time, master your life".
edisi 1
Jakarta:
Elex media komputindo,
2019.
Text.