APA Style

Kristanto, I, P. et al (2004). English Pronunciation Made simple . : Yayasan Penerbitan Fakultas Psikologi UGM.

MLA Style

Kristanto, Ir., Philip. et al. "English Pronunciation Made simple". : Yayasan Penerbitan Fakultas Psikologi UGM, 2004. Buku PGSD.