ROY, A. Y. (2014). FRANK MIDDLE SCHOOL GEOGRAPHY WORKBOOK CLASS- 6. FRANK BROS & CO.
芝加哥风格引文ROY, ANAN YA. FRANK MIDDLE SCHOOL GEOGRAPHY WORKBOOK CLASS- 6. FRANK BROS & CO, 2014.
MLA引文ROY, ANAN YA. FRANK MIDDLE SCHOOL GEOGRAPHY WORKBOOK CLASS- 6. FRANK BROS & CO, 2014.
警告：这些引文格式不一定是100％准确.