Gaya APA
Hartono, R. (2006).
English for Economics Books 2 Senior High School (year 11) .
Central Java:
The Head of Education and Culture.
Gaya MLA
Hartono, Rudy.
"English for Economics Books 2 Senior High School (year 11)".
Central Java:
The Head of Education and Culture,
2006.
Text / Book.