APA Style
Boen, B.
(2013).
Young on Top : 35 Kunci Sukses di Usia Muda
.
Yogyakarta:
B First.
MLA Style
Boen, Billy.
"Young on Top : 35 Kunci Sukses di Usia Muda".
Yogyakarta:
B First,
2013.
Textbook.