Gaya APA
DUMONT, T, Q. (2017).
THE POWER OF CONCENTRATION Rahasia Terbesar kekuatan konsentrasi (1).
Jogjakarta:
Bright Publisher.
Gaya MLA
DUMONT, THERON, Q..
"THE POWER OF CONCENTRATION Rahasia Terbesar kekuatan konsentrasi".
1
Jogjakarta:
Bright Publisher,
2017.
Buku Analog.