Gaya APA
Surajiyo, ., Astanto, S.
(2017).
Dasar-dasar Logika
.
Jakarta:
Bumi Aksara.
Gaya MLA
Surajiyo, ., Astanto, Sugeng.
"Dasar-dasar Logika".
Jakarta:
Bumi Aksara,
2017.
Texts.