Gaya APA
Babauta, Leo. (2016).
The Miracle of Focus .
Yogyakarta:
Bright Publisher.
Gaya Chicago
Babauta, Leo.
The Miracle of Focus.
Yogyakarta:
Bright Publisher,
2016.
Buku Teks.
Gaya MLA
Babauta, Leo.
The Miracle of Focus.
Yogyakarta:
Bright Publisher,
2016.
Buku Teks.
Gaya Turabian
Babauta, Leo.
The Miracle of Focus.
Yogyakarta:
Bright Publisher,
2016.
Buku Teks.