Gaya APA
Kontak Solusi Bisnis. (2019).
Jakarta:
Data Scrip Business Solutions.
Gaya Chicago
Kontak Solusi Bisnis.
Ed.1.
Jakarta:
Data Scrip Business Solutions,
2019.
Text.
Gaya MLA
Kontak Solusi Bisnis.
Ed.1.
Jakarta:
Data Scrip Business Solutions,
2019.
Text.
Gaya Turabian
Kontak Solusi Bisnis.
Jakarta:
Data Scrip Business Solutions,
2019.
Print.