Gaya APA
Boen, Billy. (2017).
Young on top updated (YOT) : 40 kunci sukses di usia muda (edisi 2).
Yogyakarta:
B first.
Gaya Chicago
Boen, Billy.
Young on top updated (YOT) : 40 kunci sukses di usia muda.
edisi 2
Yogyakarta:
B first,
2017.
Text.
Gaya MLA
Boen, Billy.
Young on top updated (YOT) : 40 kunci sukses di usia muda.
edisi 2
Yogyakarta:
B first,
2017.
Text.
Gaya Turabian
Boen, Billy.
Young on top updated (YOT) : 40 kunci sukses di usia muda.
edisi 2
Yogyakarta:
B first,
2017.
Print.