Gaya APA
NUGROHO, A., SUTARYONO, .
(2015).
ECOTOURISM: LERENG MERAPI PASCA KONSOLIDASI TANAH
.
SLEMAN:
STPN PRESS.
Gaya MLA
NUGROHO, ARISTIONO., SUTARYONO, .
"ECOTOURISM: LERENG MERAPI PASCA KONSOLIDASI TANAH".
SLEMAN:
STPN PRESS,
2015.
Text.