Gaya APA
Sanami, Z, R. (2007).
Handbook to North Sumatra Indonesia .
Sumatra Utara:
North Sumatra Culture And Tourism Office.
Gaya MLA
Sanami, Zahidah, R.
"Handbook to North Sumatra Indonesia".
Sumatra Utara:
North Sumatra Culture And Tourism Office,
2007.
Text.