Here is an example of my problem. I came across final particle 乎 in a classical text by 孟子. I know from a short description in a unreliable resource that it is similar to 呢, 吗 and 吧。
The thing is, I am looking for a more detailed description in a reliable resource that I can put in a list of contents for my university report.
Can any one point me to a reliable place to read about rules of Classical Chinese?