Gaya APA
Babauta, Leo, Zulkarnaen Ishak. (2016).
The miracle of focus (Cetakan pertama).
Yogyakarta:
Bright Publisher.
Gaya Chicago
Babauta, Leo, Zulkarnaen Ishak.
The miracle of focus.
Cetakan pertama
Yogyakarta:
Bright Publisher,
2016.
Text.
Gaya MLA
Babauta, Leo, Zulkarnaen Ishak.
The miracle of focus.
Cetakan pertama
Yogyakarta:
Bright Publisher,
2016.
Text.
Gaya Turabian
Babauta, Leo, Zulkarnaen Ishak.
The miracle of focus.
Cetakan pertama
Yogyakarta:
Bright Publisher,
2016.
Print.