Gaya APA
KHALIL, M, G.
(2020).
RAHASIA DAHSYAT ENERGI SAPU JAGAT
.
Yogyakarta:
araska publisher.
Gaya MLA
KHALIL, M, GHOFUR.
"RAHASIA DAHSYAT ENERGI SAPU JAGAT".
Yogyakarta:
araska publisher,
2020.
Textbook.