Gaya APA

Prastowo, P., Yulianto, D. (2010). improve Your Toefl Vocabulary In Seconds : Pelatihan-PelatihanrnPraktis Super Efektif (Cet.1). Yogyakarta: Diva Press.

Gaya MLA

Prastowo, Panca., Yulianto, Diyan. "improve Your Toefl Vocabulary In Seconds : Pelatihan-PelatihanrnPraktis Super Efektif". Cet.1 Yogyakarta: Diva Press, 2010. Text.