Gaya APA
Serda, A, W.
(2011).
Prototype portable reaktor biogas
(
1)
.
Malang:
Lemjiantek Kodiklat TNI AD.
Gaya MLA
Serda, Aroma, Wijaya,.
"Prototype portable reaktor biogas".
1
Malang:
Lemjiantek Kodiklat TNI AD,
2011.
Buku Analog.