Gaya APA
Khiyaroh, I.
(2017).
Being Assertive Being Effective Sukses Bersikap Tegas
.
Yogyakarta:
PSIKOLOGI CORNER.
Gaya MLA
Khiyaroh, Intihaul.
"Being Assertive Being Effective Sukses Bersikap Tegas".
Yogyakarta:
PSIKOLOGI CORNER,
2017.
Text.