PAL, P. P. (2012). FRANK MODERN CERTIFICATE PHYSICS FOR MIDDLE SCHOOL CLASS- VII. FRANK BROS & CO.
芝加哥风格引文PAL, PARTHA. PRATIM. FRANK MODERN CERTIFICATE PHYSICS FOR MIDDLE SCHOOL CLASS- VII. FRANK BROS & CO, 2012.
MLA引文PAL, PARTHA. PRATIM. FRANK MODERN CERTIFICATE PHYSICS FOR MIDDLE SCHOOL CLASS- VII. FRANK BROS & CO, 2012.
警告：这些引文格式不一定是100％准确.