Gaya APA
      Mah, E. (2023).
    Seri Meditasi Firman : Kitab Pengkhotbah (First Edition).
    Tangerang, Indonesia:
  Berea Gratia Media.
  
Gaya MLA
      Mah, Erwin.
    "Seri Meditasi Firman : Kitab Pengkhotbah".
    First Edition
    Tangerang, Indonesia:
  Berea Gratia Media,
  2023.
  Academic.