Petrucci R H. General Chemistry (2nd.). PHI Learning.
芝加哥风格引文Petrucci R H. General Chemistry. 2nd. PHI Learning.
MLA引文Petrucci R H. General Chemistry. 2nd. PHI Learning.
警告:这些引文格式不一定是100%准确.
Petrucci R H. General Chemistry (2nd.). PHI Learning.
芝加哥风格引文Petrucci R H. General Chemistry. 2nd. PHI Learning.
MLA引文Petrucci R H. General Chemistry. 2nd. PHI Learning.