(19). Safety in construction [kasetvideo]. Kent : M & M Audio Visual.
芝加哥风格引文Safety in Construction [kasetvideo]. Kent : M & M Audio Visual, 19.
MLA引文Safety in Construction [kasetvideo]. Kent : M & M Audio Visual, 19.
警告：这些引文格式不一定是100％准确.
APA引文