Gaya APA
Dachjar, D. (2005).
Ingrease Your TOEFL Score : A Solution to Your TOEFL Problem (Cet. 2).
Jakarta :
Puspa Swara.
Gaya MLA
Dachjar, Dadang.
"Ingrease Your TOEFL Score : A Solution to Your TOEFL Problem".
Cet. 2
Jakarta :
Puspa Swara,
2005.
Buku.