Gaya APA
Zulkifli, A. (2020).
Green Marketing; Redefinisi Green Product, Green Price, Green Place, and Green Promotion .
Yogyakarta:
GRAHA ILMU.
Gaya MLA
Zulkifli, Arif.
"Green Marketing; Redefinisi Green Product, Green Price, Green Place, and Green Promotion".
Yogyakarta:
GRAHA ILMU,
2020.
Text.