Gaya APA
Aumnay-ngerntra, Sompong. (2003).
Product Development for Heritage Tourism .
THAILAND:
.
Gaya Chicago
Aumnay-ngerntra, Sompong.
Product Development for Heritage Tourism.
THAILAND:
,
2003.
Text.
Gaya MLA
Aumnay-ngerntra, Sompong.
Product Development for Heritage Tourism.
THAILAND:
,
2003.
Text.
Gaya Turabian
Aumnay-ngerntra, Sompong.
Product Development for Heritage Tourism.
THAILAND:
,
2003.
Print.