Gaya APA

Farida, N., Rizki, L. (2008). Practical English conversation: for nurse, midwife and medical professionals; part 1 . Jakarta: Pustaka Grafia.

Gaya MLA

Farida, Nur., Rizki, Lia. "Practical English conversation: for nurse, midwife and medical professionals; part 1". Jakarta: Pustaka Grafia, 2008. Text.