Gaya APA

Kardimin, , Hastuti, S., B. (2016). English Structure For TOEFL (Cet.1). Jakarta: Bumi Aksara.

Gaya MLA

Kardimin, ., Hastuti, Sri, Budi. "English Structure For TOEFL". Cet.1 Jakarta: Bumi Aksara, 2016. Textbook.