APA (7th ed.) Citation

TOEFL. (2010). Toefl ITP Assessment Series Practice Tests Volume 1. ERLANGGA.

Chicago Style (17th ed.) Citation

TOEFL. Toefl ITP Assessment Series Practice Tests Volume 1. ERLANGGA, 2010.

MLA (8th ed.) Citation

TOEFL. Toefl ITP Assessment Series Practice Tests Volume 1. ERLANGGA, 2010.

Warning: These citations may not always be 100% accurate.