Gaya APA

LIA, L. (2010). LIA Preparation Course for The Toefl Test 1 (Thrid Edition). Jakarta: LBPP LIA.

Gaya MLA

LIA, LBPP. "LIA Preparation Course for The Toefl Test 1". Thrid Edition Jakarta: LBPP LIA, 2010. Buku Ajar.