pandas.read_excel, pandas development team, 2023 - Comprehensive guide to the pd.read_excel function, detailing all its parameters and usage for reading Excel files into DataFrames.
Python for Data Analysis, Wes McKinney, 2022 (O'Reilly Media) - A widely recognized book (3rd edition) covering data manipulation with Pandas, including practical methods for loading data from various file formats such as Excel (see Chapter 6: Data Loading, Storage, and File Formats).