Gaya APA

farida, N. et al (2008). practical english conversation for nurse, midwife and medical professionals part 1 (cet.1). jakarta timur: pustaka grafia.

Gaya MLA

farida, Nur. et al. "practical english conversation for nurse, midwife and medical professionals part 1". cet.1 jakarta timur: pustaka grafia, 2008. Text.