(1986). Graphics user guide / National Institutes of Health, Division of Research Services, Medical Arts and Photography Branch.
芝加哥风格引文Graphics User Guide / National Institutes of Health, Division of Research Services, Medical Arts and Photography Branch. 1986.
MLA引文Graphics User Guide / National Institutes of Health, Division of Research Services, Medical Arts and Photography Branch. 1986.
警告：这些引文格式不一定是100％准确.