Gerardo, B. D. (2000). Effects of a computer tutorial program on problem-solving skills, achievement and attitude towards mathematics.
芝加哥风格引文Gerardo, Bobby D. Effects of a Computer Tutorial Program on Problem-solving Skills, Achievement and Attitude Towards Mathematics. 2000.
MLA引文Gerardo, Bobby D. Effects of a Computer Tutorial Program on Problem-solving Skills, Achievement and Attitude Towards Mathematics. 2000.
警告：这些引文格式不一定是100％准确.