Gaya APA
Nurmayanti, I. et al
(2009 / 2011.2).
Ecotourism Product Development (secem)
.
Bogor:
koica & dephut.
Gaya MLA
Nurmayanti, Ida. et al.
"Ecotourism Product Development (secem)".
Bogor:
koica & dephut,
2009 / 2011.2.
Text.