Orybund Kusuma A, d. (2016). Bank Soal dan Strategi Toefl Edisi Lengkap. Gentha Smart.
Chicago Style (17th ed.) CitationOrybund Kusuma A, dkk. Bank Soal Dan Strategi Toefl Edisi Lengkap. Gentha Smart, 2016.
MLA (8th ed.) CitationOrybund Kusuma A, dkk. Bank Soal Dan Strategi Toefl Edisi Lengkap. Gentha Smart, 2016.
Warning: These citations may not always be 100% accurate.