Gaya APA
Ambarwati, M.
(2017).
Upgrade Your Soft Skill
(
Cet.1)
.
Yogyakarta:
Psoikologi Center.
Gaya MLA
Ambarwati, Maria.
"Upgrade Your Soft Skill".
Cet.1
Yogyakarta:
Psoikologi Center,
2017.
Text.