Gaya APA

R., S., B., Tiran, D. (1998). Mayes' Midwifery A Textbook for Midwives Twelfth Edition (12). Semarang: .

Gaya MLA

R., S., B., Tiran, D.. Mayes' Midwifery A Textbook for Midwives Twelfth Edition. 12 Semarang: , 1998. Book of Midwifery.