Learn Hardcore Spanish (Spain): La bibliografía está al final, pero antes quiero mejorar el diálogo y el monólogo de mi presentación sobre el argumento. - The bibliography is at the end, but first I want to improve the dialogue and the monologue of my presentation about the storyline.

Breakdown of La bibliografía está al final, pero antes quiero mejorar el diálogo y el monólogo de mi presentación sobre el argumento.

Why is it está and not es in La bibliografía está al final?

Because al final describes a location/position in the document or presentation, and Spanish normally uses estar for location.

If you used es here, it would sound unnatural in standard Spanish.

What exactly does al final mean, and why is it al instead of a el?

Al final means at the end.

Al is the mandatory contraction of:

So:

This contraction happens whenever a is followed by the masculine singular article el, except when el is part of a proper name.

Examples:

Why does the sentence start with La bibliografía instead of just Bibliografía?