DR SAYYAD F B. THEORY OF MACHINES I.
芝加哥风格引文DR SAYYAD F B. THEORY OF MACHINES I.
MLA引文DR SAYYAD F B. THEORY OF MACHINES I.
警告：这些引文格式不一定是100％准确.
APA引文
DR SAYYAD F B. THEORY OF MACHINES I.
芝加哥风格引文DR SAYYAD F B. THEORY OF MACHINES I.
MLA引文DR SAYYAD F B. THEORY OF MACHINES I.