Gaya APA
Seto, M. (2015).
Positive Thinking VS Positive Attitude: 42 Pikiran & Sikap Super Orang Sukses (-).
Yogyakarta:
Locus.
Gaya MLA
Seto, Mario.
"Positive Thinking VS Positive Attitude: 42 Pikiran & Sikap Super Orang Sukses".
-
Yogyakarta:
Locus,
2015.
.