Gaya APA
Sudarna, V. (2004).
Petunjuk praktis menghadapi TOEFL : test of english as foreign language / P. Sudarna (Cet.2).
Yogyakarta:
Kanisius.
Gaya MLA
Sudarna, V..
"Petunjuk praktis menghadapi TOEFL : test of english as foreign language / P. Sudarna".
Cet.2
Yogyakarta:
Kanisius,
2004.
Buku.