Gaya APA

RIYANTO, S., TUMISIH, . (2014). The parts of speech in English: . Yogyakarta: Pustaka Pelajar.

Gaya MLA

RIYANTO, Slamet., TUMISIH, . "The parts of speech in English:". Yogyakarta: Pustaka Pelajar, 2014. Buku.