Gaya APA
R, C, S.
(2021).
7 The Habits Of Highly Effective People
(
Cet 1)
.
Tangeran Selatan:
PT Karisma Inti Ilmu.
Gaya MLA
R, Covey, Stephen.
"7 The Habits Of Highly Effective People".
Cet 1
Tangeran Selatan:
PT Karisma Inti Ilmu,
2021.
Reference.