Gaya APA
Machfudz, M. et al
(2017).
Ekonomi gaplek
.
Purwokerto:
IRDH research and publishing.
Gaya MLA
Machfudz, Masyhuri. et al.
"Ekonomi gaplek".
Purwokerto:
IRDH research and publishing,
2017.
Text.