Gaya APA
Boen, B.
(2016).
YOT = Young On Top Update (40 Kunci Sukses di Usia Muda)
.
Yogyakarta:
B First.
Gaya MLA
Boen, Billy.
"YOT = Young On Top Update (40 Kunci Sukses di Usia Muda)".
Yogyakarta:
B First,
2016.
Text.