Gaya APA
      ZULKIFLI, A. (2020).
    GREEN MARKETING; REDIFINISI GREEN PRODUCT, GREEN PRICE, GREEN PLACE DAN GREEN PROMOTION .
    YOGYAKARTA:
  GRAHA ILMU.
  
Gaya MLA
      ZULKIFLI, ARIF.
    "GREEN MARKETING; REDIFINISI GREEN PRODUCT, GREEN PRICE, GREEN PLACE DAN GREEN PROMOTION".
    
    YOGYAKARTA:
  GRAHA ILMU,
  2020.
  Text.