Gaya APA

maryunani, A., perwata, A. (2009). english for active nurses designed to improve reading, writing and conversational skills (cet.1). jakarta timur: trans info media.

Gaya MLA

maryunani, Anik., perwata, Annie. "english for active nurses designed to improve reading, writing and conversational skills". cet.1 jakarta timur: trans info media, 2009. Text.