Gaya APA
Perwata, A., Maryunani, A. (2001).
English conversation for nursing personnel .
Yogyakarta:
Penerbit Buku Kedokteran EGC.
Gaya MLA
Perwata, Annie., Maryunani, Aniek.
"English conversation for nursing personnel".
Yogyakarta:
Penerbit Buku Kedokteran EGC,
2001.
.