NoSQL Distilled: A Brief Guide to the Emerging World of Polyglot Persistence, Pramod J. Sadalage and Martin Fowler, 2012 (Addison-Wesley Professional) - A foundational book offering a high-level overview of NoSQL databases, including an introduction to document databases and their core principles like schema flexibility.
MongoDB Manual - Documents, MongoDB Documentation, 2024 - Official documentation detailing the structure, characteristics, and practical implementation of documents in MongoDB, a leading example of a document database.
NoSQL Databases: A Survey and Taxonomy, Eder J. S. de Macedo, José J. P. C. Rodrigues, Joel P. L. Silva, Tiago M. A. C. Silva, 2019Journal of Parallel and Distributed Computing, Vol. 131 (Elsevier)DOI: 10.1016/j.jpdc.2018.11.002 - Provides a structured overview and classification of various NoSQL database types, including document databases, explaining their characteristics and applications.