GUPTA.K.K. (2013). FRANK MODERN CERTIFICATE CHEMISTRY FOR MIDDLE SCHOOL WORKBOOK CLASS-VII. FRANK BROS & CO.
芝加哥风格引文GUPTA.K.K. FRANK MODERN CERTIFICATE CHEMISTRY FOR MIDDLE SCHOOL WORKBOOK CLASS-VII. FRANK BROS & CO, 2013.
MLA引文GUPTA.K.K. FRANK MODERN CERTIFICATE CHEMISTRY FOR MIDDLE SCHOOL WORKBOOK CLASS-VII. FRANK BROS & CO, 2013.
警告：这些引文格式不一定是100％准确.