Fritz, D. A., & Fritz, R. J. (2013). MARC21 for everyone: A practical guide. Indiana Publishing House.
Citación estilo ChicagoFritz, Deborah A., and Richard J. Fritz. MARC21 for Everyone: A Practical Guide. India: Indiana Publishing House, 2013.
Cita MLAFritz, Deborah A., and Richard J. Fritz. MARC21 for Everyone: A Practical Guide. Indiana Publishing House, 2013.
Warning: These citations may not always be 100% accurate.