Sy, M. C. (1988). Complete reviewer for midwifery board examination (4th ed.). Merriam & Webster.
Chicago Style (17. basım) AtıfSy, Manuel C. Complete Reviewer for Midwifery Board Examination. 4th ed. Manila: Merriam & Webster, 1988.
MLA (9th ed.) AtıfSy, Manuel C. Complete Reviewer for Midwifery Board Examination. 4th ed. Merriam & Webster, 1988.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..