Gaya APA
Flessner, B.
(2020).
Kereta Api Orient-Express Hingga Hyperloop : How and Why
(
Cet. 1)
.
Bandung:
Kaifa.
Gaya MLA
Flessner, Bernd.
"Kereta Api Orient-Express Hingga Hyperloop : How and Why".
Cet. 1
Bandung:
Kaifa,
2020.
Text.