Al-Sahab, B., Saqib, M., Hauser, G., & Tamim, H. (2010). Prevalence of smoking during pregnancy and associated risk factors among Canadian women: A national survey. BioMed Central.
Citação norma ChicagoAl-Sahab, Ban, Masarat Saqib, Gabriel Hauser, and Hala Tamim. Prevalence of Smoking During Pregnancy and Associated Risk Factors Among Canadian Women: A National Survey. BioMed Central, 2010.
MLA引文Al-Sahab, Ban, Masarat Saqib, Gabriel Hauser, and Hala Tamim. Prevalence of Smoking During Pregnancy and Associated Risk Factors Among Canadian Women: A National Survey. BioMed Central, 2010.
警告：這些引文格式不一定是100％准確.