Gaya APA
Zulkifli, A. (2020).
Green marketing: redefinisi green product, green price, green place, dan green promotion .
Yogyakarta:
Graha Ilmu.
Gaya MLA
Zulkifli, Arif.
"Green marketing: redefinisi green product, green price, green place, dan green promotion".
Yogyakarta:
Graha Ilmu,
2020.
Text.