Gaya APA

(LBPP), L., B., &., P., P. (2010). Guidebook LIA Preparation Course Of The TOEFL Test . Jakarta: LBPP.

Gaya MLA

(LBPP), L., B., &., P., P.. Guidebook LIA Preparation Course Of The TOEFL Test. Jakarta: LBPP, 2010. Text.