Gaya APA
Haryanto, J, O. (2017).
Beyond marketing : growth & sustainability .
Jakarta:
KPG ( Kepustakaan Populer Gramedia).
Gaya MLA
Haryanto, Jony, Oktavian.
"Beyond marketing : growth & sustainability".
Jakarta:
KPG ( Kepustakaan Populer Gramedia),
2017.
Text.