Gaya APA
Gozali, Y, P, D, M, Y, C.
(2020).
PROFESSIONAL BUSINESS ETIQUETTE
.
Jakarta:
Penerbit Erlangga.
Gaya MLA
Gozali, Yohana, Purnama, Dharmawan,, Mya, Ye,, Chelsea.
"PROFESSIONAL BUSINESS ETIQUETTE".
Jakarta:
Penerbit Erlangga,
2020.
.