Gaya APA

Oley, L. et al (2014). English for Midwifery Student : Conversation - Grammar - Reading (Cet. 1). Jakarta: EGC.

Gaya MLA

Oley, Leonard. et al. "English for Midwifery Student : Conversation - Grammar - Reading". Cet. 1 Jakarta: EGC, 2014. Text.