Gaya APA

Kahhar, J, S., Hanif, . (2012). Structure and written expression on toefl : lebih menguasai soal-soal structure and written expression dalam ujian toefl . Yogyakarta: Garda Media.

Gaya MLA

Kahhar, Joko, S.., Hanif, . "Structure and written expression on toefl : lebih menguasai soal-soal structure and written expression dalam ujian toefl". Yogyakarta: Garda Media, 2012. Text.