APA Alıntı

Abdullah, P., Landy, C. K., McCague, H., Macpherson, A., & Tamim, H. (2019). Factors associated with the timing of the first prenatal ultrasound in Canada. BMC Pregnancy Childbirth.

Chicago Stili Alıntı

Abdullah, Peri, Christine Kurtz Landy, Hugh McCague, Alison Macpherson, ve Hala Tamim. "Factors Associated With the Timing of the First Prenatal Ultrasound in Canada." BMC Pregnancy Childbirth 2019.

MLA Alıntı

Abdullah, Peri, et al. "Factors Associated With the Timing of the First Prenatal Ultrasound in Canada." BMC Pregnancy Childbirth 2019.