Gaya APA
Alwi, B. (2007).
An English Book Elementary School : Students One Stop English Learning For Elementary School 3 .
Surabaya:
Eudatama Mulia.
Gaya MLA
Alwi, Bashori.
"An English Book Elementary School : Students One Stop English Learning For Elementary School 3".
Surabaya:
Eudatama Mulia,
2007.
.