Gaya APA
Bing, T, L. et al
(2019).
Varney's midwifery 6th edition
.
USA:
Jones & Barlett Learning.
Gaya MLA
Bing, Tekoa, L.. et al.
"Varney's midwifery 6th edition".
USA:
Jones & Barlett Learning,
2019.
Teks (Text).