Gaya APA
Penyusun, T.
(2011).
HBR's 10 Must Reads : The Essentials
.
America:
Harvard Business school publising.
Gaya MLA
Penyusun, Tim.
"HBR's 10 Must Reads : The Essentials".
America:
Harvard Business school publising,
2011.
Buku.