APA引文

Corral, F. S. Guide for cooperative consultants. s.n.

芝加哥风格引文

Corral, Florencio S. Guide for Cooperative Consultants. [s.l: s.n.

MLA引文

Corral, Florencio S. Guide for Cooperative Consultants. s.n.

警告：这些引文格式不一定是100％准确.