Gaya APA
Varney, H. et al
(2001).
Buku saku bidan = Varney's podket midwife
.
Jakrta:
EGC.
Gaya MLA
Varney, Helen. et al.
"Buku saku bidan = Varney's podket midwife".
Jakrta:
EGC,
2001.
Text.