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So you don't want to use APA?
Use a Vancouver style instead.

Edit: https://tex.stackexchange.com/questions ... -name-year

Crossposts: https://tex.stackexchange.com/questions ... -5-spacing

Welcome to the LaTeX community.
Feel free to ask and answer questions anytime.

Update Biblatex and biber using the package manager of your TeX distribution.

Put them into the same figure environment. Inform yourself about the placing parameters, you are seeming to use them in a wrong way. Avoid the flushleft environment around figures. What are you trying to achieve? \newcommand{\br}{\\ \vspace{8pt}} : This is more than fishy. You are breaking the whole...

The index needs an external program as well.

What are we supposed to do with the preamble as a pdf? Please show a minimal working example to let us reproduce the line width issue.

There is a reason for the behavior and it is somewhere in your code.

Please start a new thread for every issue you are facing. One for the minitoc thing, one for the tables (they seem to be unrelated).

Don't forget to post a minimal working example.

It is an extra auxiliary program.
You have to call it in a similar way you are calling BibTeX.