Vaz, L., Leonardi-Bee, J., Aveyard, P., Cooper, S., Grainge, M., Coleman, T., & Tobacco, S. f. R. o. N. a. (2014). Factors associated with smoking cessation in early and late pregnancy in the smoking, nicotine, and pregnancy trial: A trial of nicotine replacement therapy. Oxford University Press.
Cita Chicago (17th ed.)Vaz, L., J. Leonardi-Bee, P. Aveyard, S. Cooper, M. Grainge, T. Coleman, i Society for Research on Nicotine and Tobacco. Factors Associated with Smoking Cessation in Early and Late Pregnancy in the Smoking, Nicotine, and Pregnancy Trial: A Trial of Nicotine Replacement Therapy. Oxford University Press, 2014.
Cita MLA (9th ed.)Vaz, L., et al. Factors Associated with Smoking Cessation in Early and Late Pregnancy in the Smoking, Nicotine, and Pregnancy Trial: A Trial of Nicotine Replacement Therapy. Oxford University Press, 2014.