Penggayaan APA
Boen, Billy. (2012).
Young on the top : 35 kunci sukses di usia muda .
Yogyakarta:
Bfirts.
Chicago Style
Boen, Billy.
Young on the top : 35 kunci sukses di usia muda.
Yogyakarta:
Bfirts,
2012.
Text.
MLA Style
Boen, Billy.
Young on the top : 35 kunci sukses di usia muda.
Yogyakarta:
Bfirts,
2012.
Text.
Turabian Style
Boen, Billy.
Young on the top : 35 kunci sukses di usia muda.
Yogyakarta:
Bfirts,
2012.
Print.