Dougan, E. J. A., & Lowe, H. P. (1948). National Health Service.
Citação norma ChicagoDougan, E. J. A., and H. P. Lowe. National Health Service. 1948.
MLA引文Dougan, E. J. A., and H. P. Lowe. National Health Service. 1948.
警告：這些引文格式不一定是100％准確.
APA引文