Gaya APA
Hadisubroto, S. (2007).
Belajar Sendiri Menghadapi Test of English As a Foreign Language TOEFL .
Surabaya:
Penerbit Indah.
Gaya MLA
Hadisubroto, S..
"Belajar Sendiri Menghadapi Test of English As a Foreign Language TOEFL".
Surabaya:
Penerbit Indah,
2007.
Text.