Gaya APA
Sudarna, V. (2011).
Petunjuk Praktis Menghadapi TOEFL : Tes of English as a Foreign Language (Cet. 7).
Yogyakarta:
Kanisius.
Gaya MLA
Sudarna, V..
"Petunjuk Praktis Menghadapi TOEFL : Tes of English as a Foreign Language".
Cet. 7
Yogyakarta:
Kanisius,
2011.
Monograf.