Gaya APA
Theobald, W., Dunsmore, H, E. (2000).
EBOOK : INTERNET RESOURCE FOR LEISURE AND TOURISM .
Oxford:
Butterworth-Heinemann.
Gaya MLA
Theobald, William., Dunsmore, H., E..
"EBOOK : INTERNET RESOURCE FOR LEISURE AND TOURISM".
Oxford:
Butterworth-Heinemann,
2000.
Text.