Two ways to give credit to a source include a and in-text citations.
1.bibliography
2. biography
3.dictionary
4. glossary

It’s your first answer 1. Bibliography

Explanation:

It is isn’t glossary meaning “ an alphabetical list of terms or words found in or relating to a specific subject, text, or dialect, with explanations; a brief dictionary.”

It’s not dictionary meaning “ a book or electronic resource that lists the words of a language (typically in alphabetical order) and gives their meaning, or gives the equivalent words in a different language, often also providing information about pronunciation, origin, and usage.“

It isn’t biography meaning “ an account of someone's life written by someone else.”

It’s bibliography meaning “ a list of the books of a specific author or publisher, or on a specific subject.”

it could change in many ways and by that i mean income can go lower or higher depending on how hard you work. i hope this .