Gaya APA
The essentials. (2019).
America:
Harvad Business Review Press.
Gaya Chicago
The essentials.
.
America:
Harvad Business Review Press,
2019.
Teks.
Gaya MLA
The essentials.
.
America:
Harvad Business Review Press,
2019.
Teks.
Gaya Turabian
The essentials.
America:
Harvad Business Review Press,
2019.
Teks.