Gaya APA
Daniel Sihombing, dkk. (2020).
Friedrich Engels .
Bandung:
Ultimus.
Gaya Chicago
Daniel Sihombing, dkk.
Friedrich Engels.
Bandung:
Ultimus,
2020.
Teks.
Gaya MLA
Daniel Sihombing, dkk.
Friedrich Engels.
Bandung:
Ultimus,
2020.
Teks.
Gaya Turabian
Daniel Sihombing, dkk.
Friedrich Engels.
Bandung:
Ultimus,
2020.
Teks.