Gaya APA
Ksp, R, A., yatim, D. (2018).
Sofjan Wanandi and the Seven Presidents .
Jakarta:
PT Kompas Media Nusantara.
Gaya MLA
Ksp, Robert, Adhi., yatim, Debra.
"Sofjan Wanandi and the Seven Presidents".
Jakarta:
PT Kompas Media Nusantara,
2018.
Text.