Unfortunately, yes. You can pass multiple files to the bibliography function.
#bibliography(
("ref.bib", "Bibliography.yaml"),
style: "modern-language-association",
)
Key does not exist in Bibliography
harry: # 👈 Here is the citation key
type: Book
title: Harry Potter and the Order of the Phoenix
author: Rowling, J. K.
volume: 5
page-total: 768
date: 2003-06-21
EDIT:
Please paste the original CSL here
This line pops comes television.csl, because that current version is only for cite(…, style: "television.csl"), not biliography(…, style: "television.csl")…