Gaya APA
Sudarmono, E., Power, T, E. (2018).
Toefl Best Preparation: Tips & Trik Plus Bank Soal (Cet. 1).
Jakarta Selatan:
PT Bintang Wahyu.
Gaya MLA
Sudarmono, Edhie., Power, Tim, English.
"Toefl Best Preparation: Tips & Trik Plus Bank Soal".
Cet. 1
Jakarta Selatan:
PT Bintang Wahyu,
2018.
Text.