Gaya APA
Dumont, T, Q. (2017).
The power of concentration rahasia besar kekuatan konsentrasi .
Yogyakarta:
Bright Publisher.
Gaya MLA
Dumont, Theron, Q..
"The power of concentration rahasia besar kekuatan konsentrasi".
Yogyakarta:
Bright Publisher,
2017.
Text.