Speich, B., Von Niederhäusern, B., Blum, C., Keiser, J., Schur, N., Fürst, T., . . . Briel, M. (2017). Retrospective assessment of resource use and costs in two investigator-initiated randomized trials exemplified a comprehensive cost item list. Elsevier.
芝加哥风格引文Speich, B., et al. Retrospective Assessment of Resource Use and Costs in Two Investigator-initiated Randomized Trials Exemplified a Comprehensive Cost Item List. Elsevier, 2017.
MLA引文Speich, B., et al. Retrospective Assessment of Resource Use and Costs in Two Investigator-initiated Randomized Trials Exemplified a Comprehensive Cost Item List. Elsevier, 2017.
警告：这些引文格式不一定是100％准确.