Gaya APA
ZULKIFLI,Arif, . (2020).
Green Marketing;redefini Green product,green price,green place dan green prmotion .
Yogyakarta:
Graha Ilmu.
Gaya MLA
ZULKIFLI,Arif, .
"Green Marketing;redefini Green product,green price,green place dan green prmotion".
Yogyakarta:
Graha Ilmu,
2020.
Text.